19995614

素因数分解:

$2^1\times {\mathrm{37}}^2\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:252

約数の個数: 24

約数和(自身を含む): 31573080

約数和(自身を除く): 11577466

約数列:

[1, 2, 37, 67, 74, 109, 134, 218, 1369, 2479, 2738, 4033, 4958, 7303, 8066, 14606, 91723, 149221, 183446, 270211, 298442, 540422, 9997807, 19995614]

約数ペア:

[(1, 19995614), (2, 9997807), (37, 540422), (67, 298442), (74, 270211), (109, 183446), (134, 149221), (218, 91723), (1369, 14606), (2479, 8066), (2738, 7303), (4033, 4958)]