19445416

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{142981}}^1$

素因数の和:143004

約数の個数: 16

約数和(自身を含む): 38605140

約数和(自身を除く): 19159724

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 142981, 285962, 571924, 1143848, 2430677, 4861354, 9722708, 19445416]

約数ペア:

[(1, 19445416), (2, 9722708), (4, 4861354), (8, 2430677), (17, 1143848), (34, 571924), (68, 285962), (136, 142981)]