22757801

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{521}}^1$

素因数の和:581

約数の個数: 18

約数和(自身を含む): 26451306

約数和(自身を除く): 3693505

約数列:

[1, 11, 19, 121, 209, 361, 521, 2299, 3971, 5731, 9899, 43681, 63041, 108889, 188081, 1197779, 2068891, 22757801]

約数ペア:

[(1, 22757801), (11, 2068891), (19, 1197779), (121, 188081), (209, 108889), (361, 63041), (521, 43681), (2299, 9899), (3971, 5731)]