19201525

素因数分解:

$5^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{971}}^1$

素因数の和:1101

約数の個数: 24

約数和(自身を含む): 27480384

約数和(自身を除く): 8278859

約数列:

[1, 5, 7, 25, 35, 113, 175, 565, 791, 971, 2825, 3955, 4855, 6797, 19775, 24275, 33985, 109723, 169925, 548615, 768061, 2743075, 3840305, 19201525]

約数ペア:

[(1, 19201525), (5, 3840305), (7, 2743075), (25, 768061), (35, 548615), (113, 169925), (175, 109723), (565, 33985), (791, 24275), (971, 19775), (2825, 6797), (3955, 4855)]