18962713

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{643}}^1$

素因数の和:1044

約数の個数: 16

約数和(自身を含む): 23740416

約数和(自身を除く): 4777703

約数列:

[1, 7, 11, 77, 383, 643, 2681, 4213, 4501, 7073, 29491, 49511, 246269, 1723883, 2708959, 18962713]

約数ペア:

[(1, 18962713), (7, 2708959), (11, 1723883), (77, 246269), (383, 49511), (643, 29491), (2681, 7073), (4213, 4501)]