19605830

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{17987}}^1$

素因数の和:18103

約数の個数: 16

約数和(自身を含む): 35616240

約数和(自身を除く): 16010410

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 17987, 35974, 89935, 179870, 1960583, 3921166, 9802915, 19605830]

約数ペア:

[(1, 19605830), (2, 9802915), (5, 3921166), (10, 1960583), (109, 179870), (218, 89935), (545, 35974), (1090, 17987)]