18675540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1$

素因数の和:398

約数の個数: 144

約数和(自身を含む): 63842688

約数和(自身を除く): 45167148

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 30, 36, 39, 45, 46, 52, 60, 65, 69, 78, 90, 92, 115, 117, 130, 138, 156, 180, 195, 207, 230, 234, 260, 276, 299, 345, 347, 390, 414, 460, 468, 585, 598, 690, 694, 780, 828, 897, 1035, 1041, 1170, 1196, 1380, 1388, 1495, 1735, 1794, 2070, 2082, 2340, 2691, 2990, 3123, 3470, 3588, 4140, 4164, 4485, 4511, 5205, 5382, 5980, 6246, 6940, 7981, 8970, 9022, 10410, 10764, 12492, 13455, 13533, 15615, 15962, 17940, 18044, 20820, 22555, 23943, 26910, 27066, 31230, 31924, 39905, 40599, 45110, 47886, 53820, 54132, 62460, 67665, 71829, 79810, 81198, 90220, 95772, 103753, 119715, 135330, 143658, 159620, 162396, 202995, 207506, 239430, 270660, 287316, 311259, 359145, 405990, 415012, 478860, 518765, 622518, 718290, 811980, 933777, 1037530, 1245036, 1436580, 1556295, 1867554, 2075060, 3112590, 3735108, 4668885, 6225180, 9337770, 18675540]

約数ペア:

[(1, 18675540), (2, 9337770), (3, 6225180), (4, 4668885), (5, 3735108), (6, 3112590), (9, 2075060), (10, 1867554), (12, 1556295), (13, 1436580), (15, 1245036), (18, 1037530), (20, 933777), (23, 811980), (26, 718290), (30, 622518), (36, 518765), (39, 478860), (45, 415012), (46, 405990), (52, 359145), (60, 311259), (65, 287316), (69, 270660), (78, 239430), (90, 207506), (92, 202995), (115, 162396), (117, 159620), (130, 143658), (138, 135330), (156, 119715), (180, 103753), (195, 95772), (207, 90220), (230, 81198), (234, 79810), (260, 71829), (276, 67665), (299, 62460), (345, 54132), (347, 53820), (390, 47886), (414, 45110), (460, 40599), (468, 39905), (585, 31924), (598, 31230), (690, 27066), (694, 26910), (780, 23943), (828, 22555), (897, 20820), (1035, 18044), (1041, 17940), (1170, 15962), (1196, 15615), (1380, 13533), (1388, 13455), (1495, 12492), (1735, 10764), (1794, 10410), (2070, 9022), (2082, 8970), (2340, 7981), (2691, 6940), (2990, 6246), (3123, 5980), (3470, 5382), (3588, 5205), (4140, 4511), (4164, 4485)]