19946222

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{457}}^1$

素因数の和:755

約数の個数: 16

約数和(自身を含む): 30392880

約数和(自身を除く): 10446658

約数列:

[1, 2, 139, 157, 278, 314, 457, 914, 21823, 43646, 63523, 71749, 127046, 143498, 9973111, 19946222]

約数ペア:

[(1, 19946222), (2, 9973111), (139, 143498), (157, 127046), (278, 71749), (314, 63523), (457, 43646), (914, 21823)]