19855418

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47501}}^1$

素因数の和:47533

約数の個数: 16

約数和(自身を含む): 34201440

約数和(自身を除く): 14346022

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 47501, 95002, 522511, 902519, 1045022, 1805038, 9927709, 19855418]

約数ペア:

[(1, 19855418), (2, 9927709), (11, 1805038), (19, 1045022), (22, 902519), (38, 522511), (209, 95002), (418, 47501)]