19621199

素因数分解:

${\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:410

約数の個数: 16

約数和(自身を含む): 21769440

約数和(自身を除く): 2148241

約数列:

[1, 13, 61, 109, 227, 793, 1417, 2951, 6649, 13847, 24743, 86437, 180011, 321659, 1509323, 19621199]

約数ペア:

[(1, 19621199), (13, 1509323), (61, 321659), (109, 180011), (227, 86437), (793, 24743), (1417, 13847), (2951, 6649)]