18489268

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 41368320

約数和(自身を除く): 22879052

約数列:

[1, 2, 4, 7, 14, 17, 28, 31, 34, 49, 62, 68, 98, 119, 124, 179, 196, 217, 238, 358, 434, 476, 527, 716, 833, 868, 1054, 1253, 1519, 1666, 2108, 2506, 3038, 3043, 3332, 3689, 5012, 5549, 6076, 6086, 7378, 8771, 11098, 12172, 14756, 17542, 21301, 22196, 25823, 35084, 38843, 42602, 51646, 77686, 85204, 94333, 103292, 149107, 155372, 188666, 271901, 298214, 377332, 543802, 596428, 660331, 1087604, 1320662, 2641324, 4622317, 9244634, 18489268]

約数ペア:

[(1, 18489268), (2, 9244634), (4, 4622317), (7, 2641324), (14, 1320662), (17, 1087604), (28, 660331), (31, 596428), (34, 543802), (49, 377332), (62, 298214), (68, 271901), (98, 188666), (119, 155372), (124, 149107), (179, 103292), (196, 94333), (217, 85204), (238, 77686), (358, 51646), (434, 42602), (476, 38843), (527, 35084), (716, 25823), (833, 22196), (868, 21301), (1054, 17542), (1253, 14756), (1519, 12172), (1666, 11098), (2108, 8771), (2506, 7378), (3038, 6086), (3043, 6076), (3332, 5549), (3689, 5012)]