19165745

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{919}}^1$

素因数の和:1064

約数の個数: 16

約数和(自身を含む): 23802240

約数和(自身を除く): 4636495

約数列:

[1, 5, 43, 97, 215, 485, 919, 4171, 4595, 20855, 39517, 89143, 197585, 445715, 3833149, 19165745]

約数ペア:

[(1, 19165745), (5, 3833149), (43, 445715), (97, 197585), (215, 89143), (485, 39517), (919, 20855), (4171, 4595)]