19910095

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{2251}}^1$

素因数の和:2346

約数の個数: 16

約数和(自身を含む): 25132320

約数和(自身を除く): 5222225

約数列:

[1, 5, 29, 61, 145, 305, 1769, 2251, 8845, 11255, 65279, 137311, 326395, 686555, 3982019, 19910095]

約数ペア:

[(1, 19910095), (5, 3982019), (29, 686555), (61, 326395), (145, 137311), (305, 65279), (1769, 11255), (2251, 8845)]