18851040

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:106

約数の個数: 288

約数和(自身を含む): 74299680

約数和(自身を除く): 55448640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 30, 32, 36, 38, 39, 40, 45, 48, 52, 53, 57, 60, 65, 72, 76, 78, 80, 90, 95, 96, 104, 106, 114, 117, 120, 130, 144, 152, 156, 159, 160, 171, 180, 190, 195, 208, 212, 228, 234, 240, 247, 260, 265, 285, 288, 304, 312, 318, 342, 360, 380, 390, 416, 424, 456, 468, 477, 480, 494, 520, 530, 570, 585, 608, 624, 636, 684, 689, 720, 741, 760, 780, 795, 848, 855, 912, 936, 954, 988, 1007, 1040, 1060, 1140, 1170, 1235, 1248, 1272, 1368, 1378, 1440, 1482, 1520, 1560, 1590, 1696, 1710, 1824, 1872, 1908, 1976, 2014, 2067, 2080, 2120, 2223, 2280, 2340, 2385, 2470, 2544, 2736, 2756, 2964, 3021, 3040, 3120, 3180, 3420, 3445, 3705, 3744, 3816, 3952, 4028, 4134, 4240, 4446, 4560, 4680, 4770, 4940, 5035, 5088, 5472, 5512, 5928, 6042, 6201, 6240, 6360, 6840, 6890, 7410, 7632, 7904, 8056, 8268, 8480, 8892, 9063, 9120, 9360, 9540, 9880, 10070, 10335, 11024, 11115, 11856, 12084, 12402, 12720, 13091, 13680, 13780, 14820, 15105, 15264, 16112, 16536, 17784, 18126, 18720, 19080, 19760, 20140, 20670, 22048, 22230, 23712, 24168, 24804, 25440, 26182, 27360, 27560, 29640, 30210, 31005, 32224, 33072, 35568, 36252, 38160, 39273, 39520, 40280, 41340, 44460, 45315, 48336, 49608, 52364, 55120, 59280, 60420, 62010, 65455, 66144, 71136, 72504, 76320, 78546, 80560, 82680, 88920, 90630, 96672, 99216, 104728, 110240, 117819, 118560, 120840, 124020, 130910, 145008, 157092, 161120, 165360, 177840, 181260, 196365, 198432, 209456, 235638, 241680, 248040, 261820, 290016, 314184, 330720, 355680, 362520, 392730, 418912, 471276, 483360, 496080, 523640, 589095, 628368, 725040, 785460, 942552, 992160, 1047280, 1178190, 1256736, 1450080, 1570920, 1885104, 2094560, 2356380, 3141840, 3770208, 4712760, 6283680, 9425520, 18851040]

約数ペア:

[(1, 18851040), (2, 9425520), (3, 6283680), (4, 4712760), (5, 3770208), (6, 3141840), (8, 2356380), (9, 2094560), (10, 1885104), (12, 1570920), (13, 1450080), (15, 1256736), (16, 1178190), (18, 1047280), (19, 992160), (20, 942552), (24, 785460), (26, 725040), (30, 628368), (32, 589095), (36, 523640), (38, 496080), (39, 483360), (40, 471276), (45, 418912), (48, 392730), (52, 362520), (53, 355680), (57, 330720), (60, 314184), (65, 290016), (72, 261820), (76, 248040), (78, 241680), (80, 235638), (90, 209456), (95, 198432), (96, 196365), (104, 181260), (106, 177840), (114, 165360), (117, 161120), (120, 157092), (130, 145008), (144, 130910), (152, 124020), (156, 120840), (159, 118560), (160, 117819), (171, 110240), (180, 104728), (190, 99216), (195, 96672), (208, 90630), (212, 88920), (228, 82680), (234, 80560), (240, 78546), (247, 76320), (260, 72504), (265, 71136), (285, 66144), (288, 65455), (304, 62010), (312, 60420), (318, 59280), (342, 55120), (360, 52364), (380, 49608), (390, 48336), (416, 45315), (424, 44460), (456, 41340), (468, 40280), (477, 39520), (480, 39273), (494, 38160), (520, 36252), (530, 35568), (570, 33072), (585, 32224), (608, 31005), (624, 30210), (636, 29640), (684, 27560), (689, 27360), (720, 26182), (741, 25440), (760, 24804), (780, 24168), (795, 23712), (848, 22230), (855, 22048), (912, 20670), (936, 20140), (954, 19760), (988, 19080), (1007, 18720), (1040, 18126), (1060, 17784), (1140, 16536), (1170, 16112), (1235, 15264), (1248, 15105), (1272, 14820), (1368, 13780), (1378, 13680), (1440, 13091), (1482, 12720), (1520, 12402), (1560, 12084), (1590, 11856), (1696, 11115), (1710, 11024), (1824, 10335), (1872, 10070), (1908, 9880), (1976, 9540), (2014, 9360), (2067, 9120), (2080, 9063), (2120, 8892), (2223, 8480), (2280, 8268), (2340, 8056), (2385, 7904), (2470, 7632), (2544, 7410), (2736, 6890), (2756, 6840), (2964, 6360), (3021, 6240), (3040, 6201), (3120, 6042), (3180, 5928), (3420, 5512), (3445, 5472), (3705, 5088), (3744, 5035), (3816, 4940), (3952, 4770), (4028, 4680), (4134, 4560), (4240, 4446)]