15813904

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{12511}}^1$

素因数の和:12598

約数の個数: 20

約数和(自身を含む): 31029760

約数和(自身を除く): 15215856

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 12511, 25022, 50044, 100088, 200176, 988369, 1976738, 3953476, 7906952, 15813904]

約数ペア:

[(1, 15813904), (2, 7906952), (4, 3953476), (8, 1976738), (16, 988369), (79, 200176), (158, 100088), (316, 50044), (632, 25022), (1264, 12511)]