18090296

素因数分解:

$2^3\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1531}}^1$

素因数の和:1755

約数の個数: 32

約数和(自身を含む): 38974080

約数和(自身を除く): 20883784

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 211, 422, 844, 1477, 1531, 1688, 2954, 3062, 5908, 6124, 10717, 11816, 12248, 21434, 42868, 85736, 323041, 646082, 1292164, 2261287, 2584328, 4522574, 9045148, 18090296]

約数ペア:

[(1, 18090296), (2, 9045148), (4, 4522574), (7, 2584328), (8, 2261287), (14, 1292164), (28, 646082), (56, 323041), (211, 85736), (422, 42868), (844, 21434), (1477, 12248), (1531, 11816), (1688, 10717), (2954, 6124), (3062, 5908)]