19990504

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{146989}}^1$

素因数の和:147012

約数の個数: 16

約数和(自身を含む): 39687300

約数和(自身を除く): 19696796

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 146989, 293978, 587956, 1175912, 2498813, 4997626, 9995252, 19990504]

約数ペア:

[(1, 19990504), (2, 9995252), (4, 4997626), (8, 2498813), (17, 1175912), (34, 587956), (68, 293978), (136, 146989)]