18915899184

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{84913}}^1$

素因数の和:84964

約数の個数: 240

約数和(自身を含む): 68988209472

約数和(自身を除く): 50072310288

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 17, 18, 21, 24, 26, 28, 34, 36, 39, 42, 48, 51, 52, 56, 63, 68, 72, 78, 84, 91, 102, 104, 112, 117, 119, 126, 136, 144, 153, 156, 168, 182, 204, 208, 221, 234, 238, 252, 272, 273, 306, 312, 336, 357, 364, 408, 442, 468, 476, 504, 546, 612, 624, 663, 714, 728, 816, 819, 884, 936, 952, 1008, 1071, 1092, 1224, 1326, 1428, 1456, 1547, 1638, 1768, 1872, 1904, 1989, 2142, 2184, 2448, 2652, 2856, 3094, 3276, 3536, 3978, 4284, 4368, 4641, 5304, 5712, 6188, 6552, 7956, 8568, 9282, 10608, 12376, 13104, 13923, 15912, 17136, 18564, 24752, 27846, 31824, 37128, 55692, 74256, 84913, 111384, 169826, 222768, 254739, 339652, 509478, 594391, 679304, 764217, 1018956, 1103869, 1188782, 1358608, 1443521, 1528434, 1783173, 2037912, 2207738, 2377564, 2887042, 3056868, 3311607, 3566346, 4075824, 4330563, 4415476, 4755128, 5349519, 5774084, 6113736, 6623214, 7132692, 7727083, 8661126, 8830952, 9510256, 9934821, 10104647, 10699038, 11548168, 12227472, 12991689, 13246428, 14265384, 15454166, 17322252, 17661904, 18765773, 19869642, 20209294, 21398076, 23096336, 23181249, 25983378, 26492856, 28530768, 30313941, 30908332, 34644504, 37531546, 39739284, 40418588, 42796152, 46362498, 51966756, 52985712, 56297319, 60627882, 61816664, 69289008, 69543747, 75063092, 79478568, 80837176, 85592304, 90941823, 92724996, 103933512, 112594638, 121255764, 123633328, 131360411, 139087494, 150126184, 158957136, 161674352, 168891957, 181883646, 185449992, 207867024, 225189276, 242511528, 262720822, 278174988, 300252368, 337783914, 363767292, 370899984, 394081233, 450378552, 485023056, 525441644, 556349976, 675567828, 727534584, 788162466, 900757104, 1050883288, 1112699952, 1182243699, 1351135656, 1455069168, 1576324932, 2101766576, 2364487398, 2702271312, 3152649864, 4728974796, 6305299728, 9457949592, 18915899184]

約数ペア:

[(1, 18915899184), (2, 9457949592), (3, 6305299728), (4, 4728974796), (6, 3152649864), (7, 2702271312), (8, 2364487398), (9, 2101766576), (12, 1576324932), (13, 1455069168), (14, 1351135656), (16, 1182243699), (17, 1112699952), (18, 1050883288), (21, 900757104), (24, 788162466), (26, 727534584), (28, 675567828), (34, 556349976), (36, 525441644), (39, 485023056), (42, 450378552), (48, 394081233), (51, 370899984), (52, 363767292), (56, 337783914), (63, 300252368), (68, 278174988), (72, 262720822), (78, 242511528), (84, 225189276), (91, 207867024), (102, 185449992), (104, 181883646), (112, 168891957), (117, 161674352), (119, 158957136), (126, 150126184), (136, 139087494), (144, 131360411), (153, 123633328), (156, 121255764), (168, 112594638), (182, 103933512), (204, 92724996), (208, 90941823), (221, 85592304), (234, 80837176), (238, 79478568), (252, 75063092), (272, 69543747), (273, 69289008), (306, 61816664), (312, 60627882), (336, 56297319), (357, 52985712), (364, 51966756), (408, 46362498), (442, 42796152), (468, 40418588), (476, 39739284), (504, 37531546), (546, 34644504), (612, 30908332), (624, 30313941), (663, 28530768), (714, 26492856), (728, 25983378), (816, 23181249), (819, 23096336), (884, 21398076), (936, 20209294), (952, 19869642), (1008, 18765773), (1071, 17661904), (1092, 17322252), (1224, 15454166), (1326, 14265384), (1428, 13246428), (1456, 12991689), (1547, 12227472), (1638, 11548168), (1768, 10699038), (1872, 10104647), (1904, 9934821), (1989, 9510256), (2142, 8830952), (2184, 8661126), (2448, 7727083), (2652, 7132692), (2856, 6623214), (3094, 6113736), (3276, 5774084), (3536, 5349519), (3978, 4755128), (4284, 4415476), (4368, 4330563), (4641, 4075824), (5304, 3566346), (5712, 3311607), (6188, 3056868), (6552, 2887042), (7956, 2377564), (8568, 2207738), (9282, 2037912), (10608, 1783173), (12376, 1528434), (13104, 1443521), (13923, 1358608), (15912, 1188782), (17136, 1103869), (18564, 1018956), (24752, 764217), (27846, 679304), (31824, 594391), (37128, 509478), (55692, 339652), (74256, 254739), (84913, 222768), (111384, 169826)]