19218640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{34319}}^1$

素因数の和:34339

約数の個数: 40

約数和(自身を含む): 51068160

約数和(自身を除く): 31849520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 34319, 68638, 137276, 171595, 240233, 274552, 343190, 480466, 549104, 686380, 960932, 1201165, 1372760, 1921864, 2402330, 2745520, 3843728, 4804660, 9609320, 19218640]

約数ペア:

[(1, 19218640), (2, 9609320), (4, 4804660), (5, 3843728), (7, 2745520), (8, 2402330), (10, 1921864), (14, 1372760), (16, 1201165), (20, 960932), (28, 686380), (35, 549104), (40, 480466), (56, 343190), (70, 274552), (80, 240233), (112, 171595), (140, 137276), (280, 68638), (560, 34319)]