18725959

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{4253}}^1$

素因数の和:4314

約数の個数: 16

約数和(自身を含む): 23277888

約数和(自身を除く): 4551929

約数列:

[1, 7, 17, 37, 119, 259, 629, 4253, 4403, 29771, 72301, 157361, 506107, 1101527, 2675137, 18725959]

約数ペア:

[(1, 18725959), (7, 2675137), (17, 1101527), (37, 506107), (119, 157361), (259, 72301), (629, 29771), (4253, 4403)]