19921052

素因数分解:

$2^2\times {\mathrm{1171}}^1\times {\mathrm{4253}}^1$

素因数の和:5428

約数の個数: 12

約数和(自身を含む): 34899816

約数和(自身を除く): 14978764

約数列:

[1, 2, 4, 1171, 2342, 4253, 4684, 8506, 17012, 4980263, 9960526, 19921052]

約数ペア:

[(1, 19921052), (2, 9960526), (4, 4980263), (1171, 17012), (2342, 8506), (4253, 4684)]