19945270

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{48647}}^1$

素因数の和:48695

約数の個数: 16

約数和(自身を含む): 36777888

約数和(自身を除く): 16832618

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 48647, 97294, 243235, 486470, 1994527, 3989054, 9972635, 19945270]

約数ペア:

[(1, 19945270), (2, 9972635), (5, 3989054), (10, 1994527), (41, 486470), (82, 243235), (205, 97294), (410, 48647)]