18156229

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10501}}^1$

素因数の和:10540

約数の個数: 16

約数和(自身を含む): 23524480

約数和(自身を除く): 5368251

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 10501, 73507, 136513, 199519, 955591, 1396633, 2593747, 18156229]

約数ペア:

[(1, 18156229), (7, 2593747), (13, 1396633), (19, 955591), (91, 199519), (133, 136513), (247, 73507), (1729, 10501)]