19268980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{31079}}^1$

素因数の和:31119

約数の個数: 24

約数和(自身を含む): 41771520

約数和(自身を除く): 22502540

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 31079, 62158, 124316, 155395, 310790, 621580, 963449, 1926898, 3853796, 4817245, 9634490, 19268980]

約数ペア:

[(1, 19268980), (2, 9634490), (4, 4817245), (5, 3853796), (10, 1926898), (20, 963449), (31, 621580), (62, 310790), (124, 155395), (155, 124316), (310, 62158), (620, 31079)]