18131420

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{2953}}^1$

素因数の和:3269

約数の個数: 24

約数和(自身を含む): 38212944

約数和(自身を除く): 20081524

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1535, 2953, 3070, 5906, 6140, 11812, 14765, 29530, 59060, 906571, 1813142, 3626284, 4532855, 9065710, 18131420]

約数ペア:

[(1, 18131420), (2, 9065710), (4, 4532855), (5, 3626284), (10, 1813142), (20, 906571), (307, 59060), (614, 29530), (1228, 14765), (1535, 11812), (2953, 6140), (3070, 5906)]