19172978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{1907}}^1$

素因数の和:2377

約数の個数: 16

約数和(自身を含む): 31459104

約数和(自身を除く): 12286126

約数列:

[1, 2, 11, 22, 457, 914, 1907, 3814, 5027, 10054, 20977, 41954, 871499, 1742998, 9586489, 19172978]

約数ペア:

[(1, 19172978), (2, 9586489), (11, 1742998), (22, 871499), (457, 41954), (914, 20977), (1907, 10054), (3814, 5027)]