19545740

素因数分解:

$2^2\times 5^1\times {\mathrm{757}}^1\times {\mathrm{1291}}^1$

素因数の和:2057

約数の個数: 24

約数和(自身を含む): 41132112

約数和(自身を除く): 21586372

約数列:

[1, 2, 4, 5, 10, 20, 757, 1291, 1514, 2582, 3028, 3785, 5164, 6455, 7570, 12910, 15140, 25820, 977287, 1954574, 3909148, 4886435, 9772870, 19545740]

約数ペア:

[(1, 19545740), (2, 9772870), (4, 4886435), (5, 3909148), (10, 1954574), (20, 977287), (757, 25820), (1291, 15140), (1514, 12910), (2582, 7570), (3028, 6455), (3785, 5164)]