18647139

素因数分解:

$3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{4649}}^1$

素因数の和:4850

約数の個数: 16

約数和(自身を含む): 28569600

約数和(自身を除く): 9922461

約数列:

[1, 3, 7, 21, 191, 573, 1337, 4011, 4649, 13947, 32543, 97629, 887959, 2663877, 6215713, 18647139]

約数ペア:

[(1, 18647139), (3, 6215713), (7, 2663877), (21, 887959), (191, 97629), (573, 32543), (1337, 13947), (4011, 4649)]