19990232

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{146987}}^1$

素因数の和:147010

約数の個数: 16

約数和(自身を含む): 39686760

約数和(自身を除く): 19696528

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 146987, 293974, 587948, 1175896, 2498779, 4997558, 9995116, 19990232]

約数ペア:

[(1, 19990232), (2, 9995116), (4, 4997558), (8, 2498779), (17, 1175896), (34, 587948), (68, 293974), (136, 146987)]