18980493850

素因数分解:

$2^1\times 5^2\times {\mathrm{829}}^1\times {\mathrm{457913}}^1$

素因数の和:458754

約数の個数: 24

約数和(自身を含む): 35346381660

約数和(自身を除く): 16365887810

約数列:

[1, 2, 5, 10, 25, 50, 829, 1658, 4145, 8290, 20725, 41450, 457913, 915826, 2289565, 4579130, 11447825, 22895650, 379609877, 759219754, 1898049385, 3796098770, 9490246925, 18980493850]

約数ペア:

[(1, 18980493850), (2, 9490246925), (5, 3796098770), (10, 1898049385), (25, 759219754), (50, 379609877), (829, 22895650), (1658, 11447825), (4145, 4579130), (8290, 2289565), (20725, 915826), (41450, 457913)]