18161902

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{4561}}^1$

素因数の和:4755

約数の個数: 16

約数和(自身を含む): 29890224

約数和(自身を除く): 11728322

約数列:

[1, 2, 11, 22, 181, 362, 1991, 3982, 4561, 9122, 50171, 100342, 825541, 1651082, 9080951, 18161902]

約数ペア:

[(1, 18161902), (2, 9080951), (11, 1651082), (22, 825541), (181, 100342), (362, 50171), (1991, 9122), (3982, 4561)]