19801442

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{2137}}^1$

素因数の和:2293

約数の個数: 16

約数和(自身を含む): 30710232

約数和(自身を除く): 10908790

約数列:

[1, 2, 41, 82, 113, 226, 2137, 4274, 4633, 9266, 87617, 175234, 241481, 482962, 9900721, 19801442]

約数ペア:

[(1, 19801442), (2, 9900721), (41, 482962), (82, 241481), (113, 175234), (226, 87617), (2137, 9266), (4274, 4633)]