19756802

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{12457}}^1$

素因数の和:12533

約数の個数: 16

約数和(自身を含む): 32440632

約数和(自身を除く): 12683830

約数列:

[1, 2, 13, 26, 61, 122, 793, 1586, 12457, 24914, 161941, 323882, 759877, 1519754, 9878401, 19756802]

約数ペア:

[(1, 19756802), (2, 9878401), (13, 1519754), (26, 759877), (61, 323882), (122, 161941), (793, 24914), (1586, 12457)]