19011978

素因数分解:

$2^1\times 3^2\times {\mathrm{331}}^1\times {\mathrm{3191}}^1$

素因数の和:3530

約数の個数: 24

約数和(自身を含む): 41330016

約数和(自身を除く): 22318038

約数列:

[1, 2, 3, 6, 9, 18, 331, 662, 993, 1986, 2979, 3191, 5958, 6382, 9573, 19146, 28719, 57438, 1056221, 2112442, 3168663, 6337326, 9505989, 19011978]

約数ペア:

[(1, 19011978), (2, 9505989), (3, 6337326), (6, 3168663), (9, 2112442), (18, 1056221), (331, 57438), (662, 28719), (993, 19146), (1986, 9573), (2979, 6382), (3191, 5958)]