18782827912

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{491}}^1\times {\mathrm{67349}}^1$

素因数の和:67917

約数の個数: 32

約数和(自身を含む): 35787096000

約数和(自身を除く): 17004268088

約数列:

[1, 2, 4, 8, 71, 142, 284, 491, 568, 982, 1964, 3928, 34861, 67349, 69722, 134698, 139444, 269396, 278888, 538792, 4781779, 9563558, 19127116, 33068359, 38254232, 66136718, 132273436, 264546872, 2347853489, 4695706978, 9391413956, 18782827912]

約数ペア:

[(1, 18782827912), (2, 9391413956), (4, 4695706978), (8, 2347853489), (71, 264546872), (142, 132273436), (284, 66136718), (491, 38254232), (568, 33068359), (982, 19127116), (1964, 9563558), (3928, 4781779), (34861, 538792), (67349, 278888), (69722, 269396), (134698, 139444)]