19911352

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{146407}}^1$

素因数の和:146430

約数の個数: 16

約数和(自身を含む): 39530160

約数和(自身を除く): 19618808

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 146407, 292814, 585628, 1171256, 2488919, 4977838, 9955676, 19911352]

約数ペア:

[(1, 19911352), (2, 9955676), (4, 4977838), (8, 2488919), (17, 1171256), (34, 585628), (68, 292814), (136, 146407)]