18595640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{66413}}^1$

素因数の和:66431

約数の個数: 32

約数和(自身を含む): 47818080

約数和(自身を除く): 29222440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 66413, 132826, 265652, 332065, 464891, 531304, 664130, 929782, 1328260, 1859564, 2324455, 2656520, 3719128, 4648910, 9297820, 18595640]

約数ペア:

[(1, 18595640), (2, 9297820), (4, 4648910), (5, 3719128), (7, 2656520), (8, 2324455), (10, 1859564), (14, 1328260), (20, 929782), (28, 664130), (35, 531304), (40, 464891), (56, 332065), (70, 265652), (140, 132826), (280, 66413)]