18946568

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{139313}}^1$

素因数の和:139336

約数の個数: 16

約数和(自身を含む): 37614780

約数和(自身を除く): 18668212

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 139313, 278626, 557252, 1114504, 2368321, 4736642, 9473284, 18946568]

約数ペア:

[(1, 18946568), (2, 9473284), (4, 4736642), (8, 2368321), (17, 1114504), (34, 557252), (68, 278626), (136, 139313)]