18412079

素因数分解:

$7^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:422

約数の個数: 16

約数和(自身を含む): 21504000

約数和(自身を除く): 3091921

約数列:

[1, 7, 127, 139, 149, 889, 973, 1043, 17653, 18923, 20711, 123571, 132461, 144977, 2630297, 18412079]

約数ペア:

[(1, 18412079), (7, 2630297), (127, 144977), (139, 132461), (149, 123571), (889, 20711), (973, 18923), (1043, 17653)]