19147978

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1\times {\mathrm{617}}^1$

素因数の和:941

約数の個数: 16

約数和(自身を含む): 29367360

約数和(自身を除く): 10219382

約数列:

[1, 2, 59, 118, 263, 526, 617, 1234, 15517, 31034, 36403, 72806, 162271, 324542, 9573989, 19147978]

約数ペア:

[(1, 19147978), (2, 9573989), (59, 324542), (118, 162271), (263, 72806), (526, 36403), (617, 31034), (1234, 15517)]