19062012020

素因数分解:

$2^2\times 5^1\times {\mathrm{12589}}^1\times {\mathrm{75709}}^1$

素因数の和:88307

約数の個数: 24

約数和(自身を含む): 40033933800

約数和(自身を除く): 20971921780

約数列:

[1, 2, 4, 5, 10, 20, 12589, 25178, 50356, 62945, 75709, 125890, 151418, 251780, 302836, 378545, 757090, 1514180, 953100601, 1906201202, 3812402404, 4765503005, 9531006010, 19062012020]

約数ペア:

[(1, 19062012020), (2, 9531006010), (4, 4765503005), (5, 3812402404), (10, 1906201202), (20, 953100601), (12589, 1514180), (25178, 757090), (50356, 378545), (62945, 302836), (75709, 251780), (125890, 151418)]