19942011

素因数分解:

$3^3\times {\mathrm{149}}^1\times {\mathrm{4957}}^1$

素因数の和:5115

約数の個数: 16

約数和(自身を含む): 29748000

約数和(自身を除く): 9805989

約数列:

[1, 3, 9, 27, 149, 447, 1341, 4023, 4957, 14871, 44613, 133839, 738593, 2215779, 6647337, 19942011]

約数ペア:

[(1, 19942011), (3, 6647337), (9, 2215779), (27, 738593), (149, 133839), (447, 44613), (1341, 14871), (4023, 4957)]