18443360

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8867}}^1$

素因数の和:8895

約数の個数: 48

約数和(自身を含む): 46929456

約数和(自身を除く): 28486096

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 8867, 17734, 35468, 44335, 70936, 88670, 115271, 141872, 177340, 230542, 283744, 354680, 461084, 576355, 709360, 922168, 1152710, 1418720, 1844336, 2305420, 3688672, 4610840, 9221680, 18443360]

約数ペア:

[(1, 18443360), (2, 9221680), (4, 4610840), (5, 3688672), (8, 2305420), (10, 1844336), (13, 1418720), (16, 1152710), (20, 922168), (26, 709360), (32, 576355), (40, 461084), (52, 354680), (65, 283744), (80, 230542), (104, 177340), (130, 141872), (160, 115271), (208, 88670), (260, 70936), (416, 44335), (520, 35468), (1040, 17734), (2080, 8867)]