17980274

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{5279}}^1$

素因数の和:5425

約数の個数: 16

約数和(自身を含む): 29272320

約数和(自身を除く): 11292046

約数列:

[1, 2, 13, 26, 131, 262, 1703, 3406, 5279, 10558, 68627, 137254, 691549, 1383098, 8990137, 17980274]

約数ペア:

[(1, 17980274), (2, 8990137), (13, 1383098), (26, 691549), (131, 137254), (262, 68627), (1703, 10558), (3406, 5279)]