18322640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{32719}}^1$

素因数の和:32739

約数の個数: 40

約数和(自身を含む): 48687360

約数和(自身を除く): 30364720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 32719, 65438, 130876, 163595, 229033, 261752, 327190, 458066, 523504, 654380, 916132, 1145165, 1308760, 1832264, 2290330, 2617520, 3664528, 4580660, 9161320, 18322640]

約数ペア:

[(1, 18322640), (2, 9161320), (4, 4580660), (5, 3664528), (7, 2617520), (8, 2290330), (10, 1832264), (14, 1308760), (16, 1145165), (20, 916132), (28, 654380), (35, 523504), (40, 458066), (56, 327190), (70, 261752), (80, 229033), (112, 163595), (140, 130876), (280, 65438), (560, 32719)]