19077565

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{211}}^1$

素因数の和:349

約数の個数: 24

約数和(自身を含む): 25139808

約数和(自身を除く): 6062243

約数列:

[1, 5, 13, 65, 107, 169, 211, 535, 845, 1055, 1391, 2743, 6955, 13715, 18083, 22577, 35659, 90415, 112885, 178295, 293501, 1467505, 3815513, 19077565]

約数ペア:

[(1, 19077565), (5, 3815513), (13, 1467505), (65, 293501), (107, 178295), (169, 112885), (211, 90415), (535, 35659), (845, 22577), (1055, 18083), (1391, 13715), (2743, 6955)]