18984025

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{18521}}^1$

素因数の和:18572

約数の個数: 12

約数和(自身を含む): 24115644

約数和(自身を除く): 5131619

約数列:

[1, 5, 25, 41, 205, 1025, 18521, 92605, 463025, 759361, 3796805, 18984025]

約数ペア:

[(1, 18984025), (5, 3796805), (25, 759361), (41, 463025), (205, 92605), (1025, 18521)]