18731778

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{240151}}^1$

素因数の和:240169

約数の個数: 16

約数和(自身を含む): 40345536

約数和(自身を除く): 21613758

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 240151, 480302, 720453, 1440906, 3121963, 6243926, 9365889, 18731778]

約数ペア:

[(1, 18731778), (2, 9365889), (3, 6243926), (6, 3121963), (13, 1440906), (26, 720453), (39, 480302), (78, 240151)]