17913740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{68899}}^1$

素因数の和:68921

約数の個数: 24

約数和(自身を含む): 40513200

約数和(自身を除く): 22599460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 68899, 137798, 275596, 344495, 688990, 895687, 1377980, 1791374, 3582748, 4478435, 8956870, 17913740]

約数ペア:

[(1, 17913740), (2, 8956870), (4, 4478435), (5, 3582748), (10, 1791374), (13, 1377980), (20, 895687), (26, 688990), (52, 344495), (65, 275596), (130, 137798), (260, 68899)]