18908476

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2339}}^1$

素因数の和:2433

約数の個数: 24

約数和(自身を含む): 34594560

約数和(自身を除く): 15686084

約数列:

[1, 2, 4, 43, 47, 86, 94, 172, 188, 2021, 2339, 4042, 4678, 8084, 9356, 100577, 109933, 201154, 219866, 402308, 439732, 4727119, 9454238, 18908476]

約数ペア:

[(1, 18908476), (2, 9454238), (4, 4727119), (43, 439732), (47, 402308), (86, 219866), (94, 201154), (172, 109933), (188, 100577), (2021, 9356), (2339, 8084), (4042, 4678)]