19201555

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1697}}^1$

素因数の和:1806

約数の個数: 16

約数和(自身を含む): 24125184

約数和(自身を除く): 4923629

約数列:

[1, 5, 31, 73, 155, 365, 1697, 2263, 8485, 11315, 52607, 123881, 263035, 619405, 3840311, 19201555]

約数ペア:

[(1, 19201555), (5, 3840311), (31, 619405), (73, 263035), (155, 123881), (365, 52607), (1697, 11315), (2263, 8485)]