19843135

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{1021}}^1$

素因数の和:1075

約数の個数: 24

約数和(自身を含む): 26931744

約数和(自身を除く): 7088609

約数列:

[1, 5, 13, 23, 65, 115, 169, 299, 845, 1021, 1495, 3887, 5105, 13273, 19435, 23483, 66365, 117415, 172549, 305279, 862745, 1526395, 3968627, 19843135]

約数ペア:

[(1, 19843135), (5, 3968627), (13, 1526395), (23, 862745), (65, 305279), (115, 172549), (169, 117415), (299, 66365), (845, 23483), (1021, 19435), (1495, 13273), (3887, 5105)]