17783740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{68399}}^1$

素因数の和:68421

約数の個数: 24

約数和(自身を含む): 40219200

約数和(自身を除く): 22435460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 68399, 136798, 273596, 341995, 683990, 889187, 1367980, 1778374, 3556748, 4445935, 8891870, 17783740]

約数ペア:

[(1, 17783740), (2, 8891870), (4, 4445935), (5, 3556748), (10, 1778374), (13, 1367980), (20, 889187), (26, 683990), (52, 341995), (65, 273596), (130, 136798), (260, 68399)]