19923501

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{13807}}^1$

素因数の和:13860

約数の個数: 16

約数和(自身を含む): 29383424

約数和(自身を除く): 9459923

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 13807, 41421, 179491, 510859, 538473, 1532577, 6641167, 19923501]

約数ペア:

[(1, 19923501), (3, 6641167), (13, 1532577), (37, 538473), (39, 510859), (111, 179491), (481, 41421), (1443, 13807)]