19745585

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{997}}^1$

素因数の和:1252

約数の個数: 16

約数和(自身を含む): 25221456

約数和(自身を除く): 5475871

約数列:

[1, 5, 17, 85, 233, 997, 1165, 3961, 4985, 16949, 19805, 84745, 232301, 1161505, 3949117, 19745585]

約数ペア:

[(1, 19745585), (5, 3949117), (17, 1161505), (85, 232301), (233, 84745), (997, 19805), (1165, 16949), (3961, 4985)]