991726090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5219611}}^1$

素因数の和:5219637

約数の個数: 16

約数和(自身を含む): 1879060320

約数和(自身を除く): 887334230

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 5219611, 10439222, 26098055, 52196110, 99172609, 198345218, 495863045, 991726090]

約数ペア:

[(1, 991726090), (2, 495863045), (5, 198345218), (10, 99172609), (19, 52196110), (38, 26098055), (95, 10439222), (190, 5219611)]