18031025

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{193}}^1$

素因数の和:341

約数の個数: 24

約数和(自身を含む): 23310264

約数和(自身を除く): 5279239

約数列:

[1, 5, 25, 37, 101, 185, 193, 505, 925, 965, 2525, 3737, 4825, 7141, 18685, 19493, 35705, 93425, 97465, 178525, 487325, 721241, 3606205, 18031025]

約数ペア:

[(1, 18031025), (5, 3606205), (25, 721241), (37, 487325), (101, 178525), (185, 97465), (193, 93425), (505, 35705), (925, 19493), (965, 18685), (2525, 7141), (3737, 4825)]