18994326

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{243517}}^1$

素因数の和:243535

約数の個数: 16

約数和(自身を含む): 40911024

約数和(自身を除く): 21916698

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 243517, 487034, 730551, 1461102, 3165721, 6331442, 9497163, 18994326]

約数ペア:

[(1, 18994326), (2, 9497163), (3, 6331442), (6, 3165721), (13, 1461102), (26, 730551), (39, 487034), (78, 243517)]