18538218

素因数分解:

$2^1\times 3^2\times {\mathrm{997}}^1\times {\mathrm{1033}}^1$

素因数の和:2038

約数の個数: 24

約数和(自身を含む): 40245348

約数和(自身を除く): 21707130

約数列:

[1, 2, 3, 6, 9, 18, 997, 1033, 1994, 2066, 2991, 3099, 5982, 6198, 8973, 9297, 17946, 18594, 1029901, 2059802, 3089703, 6179406, 9269109, 18538218]

約数ペア:

[(1, 18538218), (2, 9269109), (3, 6179406), (6, 3089703), (9, 2059802), (18, 1029901), (997, 18594), (1033, 17946), (1994, 9297), (2066, 8973), (2991, 6198), (3099, 5982)]