19848025

素因数分解:

$5^2\times {\mathrm{601}}^1\times {\mathrm{1321}}^1$

素因数の和:1932

約数の個数: 12

約数和(自身を含む): 24671164

約数和(自身を除く): 4823139

約数列:

[1, 5, 25, 601, 1321, 3005, 6605, 15025, 33025, 793921, 3969605, 19848025]

約数ペア:

[(1, 19848025), (5, 3969605), (25, 793921), (601, 33025), (1321, 15025), (3005, 6605)]