18140580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3251}}^1$

素因数の和:3297

約数の個数: 72

約数和(自身を含む): 56818944

約数和(自身を除く): 38678364

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 3251, 5580, 6502, 9753, 13004, 16255, 19506, 29259, 32510, 39012, 48765, 58518, 65020, 97530, 100781, 117036, 146295, 195060, 201562, 292590, 302343, 403124, 503905, 585180, 604686, 907029, 1007810, 1209372, 1511715, 1814058, 2015620, 3023430, 3628116, 4535145, 6046860, 9070290, 18140580]

約数ペア:

[(1, 18140580), (2, 9070290), (3, 6046860), (4, 4535145), (5, 3628116), (6, 3023430), (9, 2015620), (10, 1814058), (12, 1511715), (15, 1209372), (18, 1007810), (20, 907029), (30, 604686), (31, 585180), (36, 503905), (45, 403124), (60, 302343), (62, 292590), (90, 201562), (93, 195060), (124, 146295), (155, 117036), (180, 100781), (186, 97530), (279, 65020), (310, 58518), (372, 48765), (465, 39012), (558, 32510), (620, 29259), (930, 19506), (1116, 16255), (1395, 13004), (1860, 9753), (2790, 6502), (3251, 5580)]