18871094

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{1747}}^1$

素因数の和:2251

約数の個数: 16

約数和(自身を含む): 30960576

約数和(自身を除く): 12089482

約数列:

[1, 2, 11, 22, 491, 982, 1747, 3494, 5401, 10802, 19217, 38434, 857777, 1715554, 9435547, 18871094]

約数ペア:

[(1, 18871094), (2, 9435547), (11, 1715554), (22, 857777), (491, 38434), (982, 19217), (1747, 10802), (3494, 5401)]