18419522

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{2399}}^1$

素因数の和:2761

約数の個数: 16

約数和(自身を含む): 30240000

約数和(自身を除く): 11820478

約数列:

[1, 2, 11, 22, 349, 698, 2399, 3839, 4798, 7678, 26389, 52778, 837251, 1674502, 9209761, 18419522]

約数ペア:

[(1, 18419522), (2, 9209761), (11, 1674502), (22, 837251), (349, 52778), (698, 26389), (2399, 7678), (3839, 4798)]