38618420

素因数分解:

$2^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{2957}}^1$

素因数の和:3619

約数の個数: 24

約数和(自身を含む): 81250344

約数和(自身を除く): 42631924

約数列:

[1, 2, 4, 5, 10, 20, 653, 1306, 2612, 2957, 3265, 5914, 6530, 11828, 13060, 14785, 29570, 59140, 1930921, 3861842, 7723684, 9654605, 19309210, 38618420]

約数ペア:

[(1, 38618420), (2, 19309210), (4, 9654605), (5, 7723684), (10, 3861842), (20, 1930921), (653, 59140), (1306, 29570), (2612, 14785), (2957, 13060), (3265, 11828), (5914, 6530)]