18666398

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{11981}}^1$

素因数の和:12043

約数の個数: 16

約数和(自身を含む): 30194640

約数和(自身を除く): 11528242

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 11981, 23962, 227639, 455278, 491221, 982442, 9333199, 18666398]

約数ペア:

[(1, 18666398), (2, 9333199), (19, 982442), (38, 491221), (41, 455278), (82, 227639), (779, 23962), (1558, 11981)]