18888941740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{883}}^1\times {\mathrm{3701}}^1$

素因数の和:4627

約数の個数: 72

約数和(自身を含む): 42196491792

約数和(自身を除く): 23307550052

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 883, 1156, 1445, 1766, 2890, 3532, 3701, 4415, 5780, 7402, 8830, 14804, 15011, 17660, 18505, 30022, 37010, 60044, 62917, 74020, 75055, 125834, 150110, 251668, 255187, 300220, 314585, 510374, 629170, 1020748, 1069589, 1258340, 1275935, 2139178, 2551870, 3267983, 4278356, 5103740, 5347945, 6535966, 10695890, 13071932, 16339915, 21391780, 32679830, 55555711, 65359660, 111111422, 222222844, 277778555, 555557110, 944447087, 1111114220, 1888894174, 3777788348, 4722235435, 9444470870, 18888941740]

約数ペア:

[(1, 18888941740), (2, 9444470870), (4, 4722235435), (5, 3777788348), (10, 1888894174), (17, 1111114220), (20, 944447087), (34, 555557110), (68, 277778555), (85, 222222844), (170, 111111422), (289, 65359660), (340, 55555711), (578, 32679830), (883, 21391780), (1156, 16339915), (1445, 13071932), (1766, 10695890), (2890, 6535966), (3532, 5347945), (3701, 5103740), (4415, 4278356), (5780, 3267983), (7402, 2551870), (8830, 2139178), (14804, 1275935), (15011, 1258340), (17660, 1069589), (18505, 1020748), (30022, 629170), (37010, 510374), (60044, 314585), (62917, 300220), (74020, 255187), (75055, 251668), (125834, 150110)]