19211621

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3631}}^1$

素因数の和:3692

約数の個数: 16

約数和(自身を含む): 23186688

約数和(自身を除く): 3975067

約数列:

[1, 11, 13, 37, 143, 407, 481, 3631, 5291, 39941, 47203, 134347, 519233, 1477817, 1746511, 19211621]

約数ペア:

[(1, 19211621), (11, 1746511), (13, 1477817), (37, 519233), (143, 134347), (407, 47203), (481, 39941), (3631, 5291)]