19492525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1621}}^1$

素因数の和:1681

約数の個数: 24

約数和(自身を含む): 26750024

約数和(自身を除く): 7257499

約数列:

[1, 5, 13, 25, 37, 65, 185, 325, 481, 925, 1621, 2405, 8105, 12025, 21073, 40525, 59977, 105365, 299885, 526825, 779701, 1499425, 3898505, 19492525]

約数ペア:

[(1, 19492525), (5, 3898505), (13, 1499425), (25, 779701), (37, 526825), (65, 299885), (185, 105365), (325, 59977), (481, 40525), (925, 21073), (1621, 12025), (2405, 8105)]