19209515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{5009}}^1$

素因数の和:5086

約数の個数: 16

約数和(自身を含む): 25250400

約数和(自身を除く): 6040885

約数列:

[1, 5, 13, 59, 65, 295, 767, 3835, 5009, 25045, 65117, 295531, 325585, 1477655, 3841903, 19209515]

約数ペア:

[(1, 19209515), (5, 3841903), (13, 1477655), (59, 325585), (65, 295531), (295, 65117), (767, 25045), (3835, 5009)]