19721604

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{234781}}^1$

素因数の和:234795

約数の個数: 24

約数和(自身を含む): 52591168

約数和(自身を除く): 32869564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 234781, 469562, 704343, 939124, 1408686, 1643467, 2817372, 3286934, 4930401, 6573868, 9860802, 19721604]

約数ペア:

[(1, 19721604), (2, 9860802), (3, 6573868), (4, 4930401), (6, 3286934), (7, 2817372), (12, 1643467), (14, 1408686), (21, 939124), (28, 704343), (42, 469562), (84, 234781)]