12219974

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{27647}}^1$

素因数の和:27679

約数の個数: 16

約数和(自身を含む): 20901888

約数和(自身を除く): 8681914

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 27647, 55294, 359411, 469999, 718822, 939998, 6109987, 12219974]

約数ペア:

[(1, 12219974), (2, 6109987), (13, 939998), (17, 718822), (26, 469999), (34, 359411), (221, 55294), (442, 27647)]