19874212

素因数分解:

$2^2\times {\mathrm{1171}}^1\times {\mathrm{4243}}^1$

素因数の和:5418

約数の個数: 12

約数和(自身を含む): 34817776

約数和(自身を除く): 14943564

約数列:

[1, 2, 4, 1171, 2342, 4243, 4684, 8486, 16972, 4968553, 9937106, 19874212]

約数ペア:

[(1, 19874212), (2, 9937106), (4, 4968553), (1171, 16972), (2342, 8486), (4243, 4684)]