19666360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{70237}}^1$

素因数の和:70255

約数の個数: 32

約数和(自身を含む): 50571360

約数和(自身を除く): 30905000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 70237, 140474, 280948, 351185, 491659, 561896, 702370, 983318, 1404740, 1966636, 2458295, 2809480, 3933272, 4916590, 9833180, 19666360]

約数ペア:

[(1, 19666360), (2, 9833180), (4, 4916590), (5, 3933272), (7, 2809480), (8, 2458295), (10, 1966636), (14, 1404740), (20, 983318), (28, 702370), (35, 561896), (40, 491659), (56, 351185), (70, 280948), (140, 140474), (280, 70237)]