1999845

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2339}}^1$

素因数の和:2369

約数の個数: 24

約数和(自身を含む): 3650400

約数和(自身を除く): 1650555

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 2339, 7017, 11695, 21051, 35085, 44441, 105255, 133323, 222205, 399969, 666615, 1999845]

約数ペア:

[(1, 1999845), (3, 666615), (5, 399969), (9, 222205), (15, 133323), (19, 105255), (45, 44441), (57, 35085), (95, 21051), (171, 11695), (285, 7017), (855, 2339)]