19515753

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{3251}}^1$

素因数の和:3309

約数の個数: 24

約数和(自身を含む): 30438720

約数和(自身を除く): 10922967

約数列:

[1, 3, 9, 23, 29, 69, 87, 207, 261, 667, 2001, 3251, 6003, 9753, 29259, 74773, 94279, 224319, 282837, 672957, 848511, 2168417, 6505251, 19515753]

約数ペア:

[(1, 19515753), (3, 6505251), (9, 2168417), (23, 848511), (29, 672957), (69, 282837), (87, 224319), (207, 94279), (261, 74773), (667, 29259), (2001, 9753), (3251, 6003)]