18472497

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{647}}^1$

素因数の和:988

約数の個数: 16

約数和(自身を含む): 25546752

約数和(自身を除く): 7074255

約数列:

[1, 3, 31, 93, 307, 647, 921, 1941, 9517, 20057, 28551, 60171, 198629, 595887, 6157499, 18472497]

約数ペア:

[(1, 18472497), (3, 6157499), (31, 595887), (93, 198629), (307, 60171), (647, 28551), (921, 20057), (1941, 9517)]