18719463

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{12211}}^1$

素因数の和:12294

約数の個数: 16

約数和(自身を含む): 28918016

約数和(自身を除く): 10198553

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 12211, 36633, 85477, 256431, 891403, 2674209, 6239821, 18719463]

約数ペア:

[(1, 18719463), (3, 6239821), (7, 2674209), (21, 891403), (73, 256431), (219, 85477), (511, 36633), (1533, 12211)]