19663684

素因数分解:

$2^2\times {\mathrm{1151}}^1\times {\mathrm{4271}}^1$

素因数の和:5426

約数の個数: 12

約数和(自身を含む): 34449408

約数和(自身を除く): 14785724

約数列:

[1, 2, 4, 1151, 2302, 4271, 4604, 8542, 17084, 4915921, 9831842, 19663684]

約数ペア:

[(1, 19663684), (2, 9831842), (4, 4915921), (1151, 17084), (2302, 8542), (4271, 4604)]