18708378

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{239851}}^1$

素因数の和:239869

約数の個数: 16

約数和(自身を含む): 40295136

約数和(自身を除く): 21586758

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 239851, 479702, 719553, 1439106, 3118063, 6236126, 9354189, 18708378]

約数ペア:

[(1, 18708378), (2, 9354189), (3, 6236126), (6, 3118063), (13, 1439106), (26, 719553), (39, 479702), (78, 239851)]