18406750

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:166

約数の個数: 64

約数和(自身を含む): 37604736

約数和(自身を除く): 19197986

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 61, 71, 85, 122, 125, 142, 170, 250, 305, 355, 425, 610, 710, 850, 1037, 1207, 1525, 1775, 2074, 2125, 2414, 3050, 3550, 4250, 4331, 5185, 6035, 7625, 8662, 8875, 10370, 12070, 15250, 17750, 21655, 25925, 30175, 43310, 51850, 60350, 73627, 108275, 129625, 147254, 150875, 216550, 259250, 301750, 368135, 541375, 736270, 1082750, 1840675, 3681350, 9203375, 18406750]

約数ペア:

[(1, 18406750), (2, 9203375), (5, 3681350), (10, 1840675), (17, 1082750), (25, 736270), (34, 541375), (50, 368135), (61, 301750), (71, 259250), (85, 216550), (122, 150875), (125, 147254), (142, 129625), (170, 108275), (250, 73627), (305, 60350), (355, 51850), (425, 43310), (610, 30175), (710, 25925), (850, 21655), (1037, 17750), (1207, 15250), (1525, 12070), (1775, 10370), (2074, 8875), (2125, 8662), (2414, 7625), (3050, 6035), (3550, 5185), (4250, 4331)]