18535776920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{1993}}^1$

素因数の和:2205

約数の個数: 128

約数和(自身を含む): 43957650240

約数和(自身を除く): 25421873320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 53, 82, 106, 107, 164, 205, 212, 214, 265, 328, 410, 424, 428, 530, 535, 820, 856, 1060, 1070, 1640, 1993, 2120, 2140, 2173, 3986, 4280, 4346, 4387, 5671, 7972, 8692, 8774, 9965, 10865, 11342, 15944, 17384, 17548, 19930, 21730, 21935, 22684, 28355, 35096, 39860, 43460, 43870, 45368, 56710, 79720, 81713, 86920, 87740, 105629, 113420, 163426, 175480, 211258, 213251, 226840, 232511, 326852, 408565, 422516, 426502, 465022, 528145, 653704, 817130, 845032, 853004, 930044, 1056290, 1066255, 1162555, 1634260, 1706008, 1860088, 2112580, 2132510, 2325110, 3268520, 4225160, 4265020, 4330789, 4650220, 8530040, 8661578, 8743291, 9300440, 11302303, 17323156, 17486582, 21653945, 22604606, 34646312, 34973164, 43307890, 43716455, 45209212, 56511515, 69946328, 86615780, 87432910, 90418424, 113023030, 173231560, 174865820, 226046060, 349731640, 452092120, 463394423, 926788846, 1853577692, 2316972115, 3707155384, 4633944230, 9267888460, 18535776920]

約数ペア:

[(1, 18535776920), (2, 9267888460), (4, 4633944230), (5, 3707155384), (8, 2316972115), (10, 1853577692), (20, 926788846), (40, 463394423), (41, 452092120), (53, 349731640), (82, 226046060), (106, 174865820), (107, 173231560), (164, 113023030), (205, 90418424), (212, 87432910), (214, 86615780), (265, 69946328), (328, 56511515), (410, 45209212), (424, 43716455), (428, 43307890), (530, 34973164), (535, 34646312), (820, 22604606), (856, 21653945), (1060, 17486582), (1070, 17323156), (1640, 11302303), (1993, 9300440), (2120, 8743291), (2140, 8661578), (2173, 8530040), (3986, 4650220), (4280, 4330789), (4346, 4265020), (4387, 4225160), (5671, 3268520), (7972, 2325110), (8692, 2132510), (8774, 2112580), (9965, 1860088), (10865, 1706008), (11342, 1634260), (15944, 1162555), (17384, 1066255), (17548, 1056290), (19930, 930044), (21730, 853004), (21935, 845032), (22684, 817130), (28355, 653704), (35096, 528145), (39860, 465022), (43460, 426502), (43870, 422516), (45368, 408565), (56710, 326852), (79720, 232511), (81713, 226840), (86920, 213251), (87740, 211258), (105629, 175480), (113420, 163426)]