19651580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{75583}}^1$

素因数の和:75605

約数の個数: 24

約数和(自身を含む): 44443392

約数和(自身を除く): 24791812

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 75583, 151166, 302332, 377915, 755830, 982579, 1511660, 1965158, 3930316, 4912895, 9825790, 19651580]

約数ペア:

[(1, 19651580), (2, 9825790), (4, 4912895), (5, 3930316), (10, 1965158), (13, 1511660), (20, 982579), (26, 755830), (52, 377915), (65, 302332), (130, 151166), (260, 75583)]