19872745

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{2069}}^1$

素因数の和:2204

約数の個数: 16

約数和(自身を含む): 25485840

約数和(自身を除く): 5613095

約数列:

[1, 5, 17, 85, 113, 565, 1921, 2069, 9605, 10345, 35173, 175865, 233797, 1168985, 3974549, 19872745]

約数ペア:

[(1, 19872745), (5, 3974549), (17, 1168985), (85, 233797), (113, 175865), (565, 35173), (1921, 10345), (2069, 9605)]