19886802

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{254959}}^1$

素因数の和:254977

約数の個数: 16

約数和(自身を含む): 42833280

約数和(自身を除く): 22946478

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 254959, 509918, 764877, 1529754, 3314467, 6628934, 9943401, 19886802]

約数ペア:

[(1, 19886802), (2, 9943401), (3, 6628934), (6, 3314467), (13, 1529754), (26, 764877), (39, 509918), (78, 254959)]