18965875

素因数分解:

$5^3\times {\mathrm{71}}^1\times {\mathrm{2137}}^1$

素因数の和:2223

約数の個数: 16

約数和(自身を含む): 24014016

約数和(自身を除く): 5048141

約数列:

[1, 5, 25, 71, 125, 355, 1775, 2137, 8875, 10685, 53425, 151727, 267125, 758635, 3793175, 18965875]

約数ペア:

[(1, 18965875), (5, 3793175), (25, 758635), (71, 267125), (125, 151727), (355, 53425), (1775, 10685), (2137, 8875)]