18738216

素因数分解:

$2^3\times 3^9\times 7^1\times {\mathrm{17}}^1$

素因数の和:57

約数の個数: 160

約数和(自身を含む): 63771840

約数和(自身を除く): 45033624

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 24, 27, 28, 34, 36, 42, 51, 54, 56, 63, 68, 72, 81, 84, 102, 108, 119, 126, 136, 153, 162, 168, 189, 204, 216, 238, 243, 252, 306, 324, 357, 378, 408, 459, 476, 486, 504, 567, 612, 648, 714, 729, 756, 918, 952, 972, 1071, 1134, 1224, 1377, 1428, 1458, 1512, 1701, 1836, 1944, 2142, 2187, 2268, 2754, 2856, 2916, 3213, 3402, 3672, 4131, 4284, 4374, 4536, 5103, 5508, 5832, 6426, 6561, 6804, 8262, 8568, 8748, 9639, 10206, 11016, 12393, 12852, 13122, 13608, 15309, 16524, 17496, 19278, 19683, 20412, 24786, 25704, 26244, 28917, 30618, 33048, 37179, 38556, 39366, 40824, 45927, 49572, 52488, 57834, 61236, 74358, 77112, 78732, 86751, 91854, 99144, 111537, 115668, 122472, 137781, 148716, 157464, 173502, 183708, 223074, 231336, 260253, 275562, 297432, 334611, 347004, 367416, 446148, 520506, 551124, 669222, 694008, 780759, 892296, 1041012, 1102248, 1338444, 1561518, 2082024, 2342277, 2676888, 3123036, 4684554, 6246072, 9369108, 18738216]

約数ペア:

[(1, 18738216), (2, 9369108), (3, 6246072), (4, 4684554), (6, 3123036), (7, 2676888), (8, 2342277), (9, 2082024), (12, 1561518), (14, 1338444), (17, 1102248), (18, 1041012), (21, 892296), (24, 780759), (27, 694008), (28, 669222), (34, 551124), (36, 520506), (42, 446148), (51, 367416), (54, 347004), (56, 334611), (63, 297432), (68, 275562), (72, 260253), (81, 231336), (84, 223074), (102, 183708), (108, 173502), (119, 157464), (126, 148716), (136, 137781), (153, 122472), (162, 115668), (168, 111537), (189, 99144), (204, 91854), (216, 86751), (238, 78732), (243, 77112), (252, 74358), (306, 61236), (324, 57834), (357, 52488), (378, 49572), (408, 45927), (459, 40824), (476, 39366), (486, 38556), (504, 37179), (567, 33048), (612, 30618), (648, 28917), (714, 26244), (729, 25704), (756, 24786), (918, 20412), (952, 19683), (972, 19278), (1071, 17496), (1134, 16524), (1224, 15309), (1377, 13608), (1428, 13122), (1458, 12852), (1512, 12393), (1701, 11016), (1836, 10206), (1944, 9639), (2142, 8748), (2187, 8568), (2268, 8262), (2754, 6804), (2856, 6561), (2916, 6426), (3213, 5832), (3402, 5508), (3672, 5103), (4131, 4536), (4284, 4374)]