18927794

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{37}}^2\times {\mathrm{223}}^1$

素因数の和:330

約数の個数: 24

約数和(自身を含む): 30256128

約数和(自身を除く): 11328334

約数列:

[1, 2, 31, 37, 62, 74, 223, 446, 1147, 1369, 2294, 2738, 6913, 8251, 13826, 16502, 42439, 84878, 255781, 305287, 511562, 610574, 9463897, 18927794]

約数ペア:

[(1, 18927794), (2, 9463897), (31, 610574), (37, 511562), (62, 305287), (74, 255781), (223, 84878), (446, 42439), (1147, 16502), (1369, 13826), (2294, 8251), (2738, 6913)]