18261438

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{234121}}^1$

素因数の和:234139

約数の個数: 16

約数和(自身を含む): 39332496

約数和(自身を除く): 21071058

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 234121, 468242, 702363, 1404726, 3043573, 6087146, 9130719, 18261438]

約数ペア:

[(1, 18261438), (2, 9130719), (3, 6087146), (6, 3043573), (13, 1404726), (26, 702363), (39, 468242), (78, 234121)]