19410505

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2767}}^1$

素因数の和:2856

約数の個数: 16

約数和(自身を含む): 24712704

約数和(自身を除く): 5302199

約数列:

[1, 5, 23, 61, 115, 305, 1403, 2767, 7015, 13835, 63641, 168787, 318205, 843935, 3882101, 19410505]

約数ペア:

[(1, 19410505), (5, 3882101), (23, 843935), (61, 318205), (115, 168787), (305, 63641), (1403, 13835), (2767, 7015)]