39717638

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:396

約数の個数: 32

約数和(自身を含む): 65049600

約数和(自身を除く): 25331962

約数列:

[1, 2, 19, 38, 43, 86, 109, 218, 223, 446, 817, 1634, 2071, 4142, 4237, 4687, 8474, 9374, 9589, 19178, 24307, 48614, 89053, 178106, 182191, 364382, 461833, 923666, 1045201, 2090402, 19858819, 39717638]

約数ペア:

[(1, 39717638), (2, 19858819), (19, 2090402), (38, 1045201), (43, 923666), (86, 461833), (109, 364382), (218, 182191), (223, 178106), (446, 89053), (817, 48614), (1634, 24307), (2071, 19178), (4142, 9589), (4237, 9374), (4687, 8474)]