19130915

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{881}}^1$

素因数の和:1030

約数の個数: 16

約数和(自身を含む): 23750496

約数和(自身を除く): 4619581

約数列:

[1, 5, 43, 101, 215, 505, 881, 4343, 4405, 21715, 37883, 88981, 189415, 444905, 3826183, 19130915]

約数ペア:

[(1, 19130915), (5, 3826183), (43, 444905), (101, 189415), (215, 88981), (505, 37883), (881, 21715), (4343, 4405)]