18557320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{877}}^1$

素因数の和:934

約数の個数: 48

約数和(自身を含む): 43698060

約数和(自身を除く): 25140740

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 529, 877, 920, 1058, 1754, 2116, 2645, 3508, 4232, 4385, 5290, 7016, 8770, 10580, 17540, 20171, 21160, 35080, 40342, 80684, 100855, 161368, 201710, 403420, 463933, 806840, 927866, 1855732, 2319665, 3711464, 4639330, 9278660, 18557320]

約数ペア:

[(1, 18557320), (2, 9278660), (4, 4639330), (5, 3711464), (8, 2319665), (10, 1855732), (20, 927866), (23, 806840), (40, 463933), (46, 403420), (92, 201710), (115, 161368), (184, 100855), (230, 80684), (460, 40342), (529, 35080), (877, 21160), (920, 20171), (1058, 17540), (1754, 10580), (2116, 8770), (2645, 7016), (3508, 5290), (4232, 4385)]