17978702

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{9803}}^1$

素因数の和:9943

約数の個数: 16

約数和(自身を含む): 31059072

約数和(自身を除く): 13080370

約数列:

[1, 2, 7, 14, 131, 262, 917, 1834, 9803, 19606, 68621, 137242, 1284193, 2568386, 8989351, 17978702]

約数ペア:

[(1, 17978702), (2, 8989351), (7, 2568386), (14, 1284193), (131, 137242), (262, 68621), (917, 19606), (1834, 9803)]