18340791

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{12301}}^1$

素因数の和:12382

約数の個数: 16

約数和(自身を含む): 28343808

約数和(自身を除く): 10003017

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 12301, 36903, 86107, 258321, 873371, 2620113, 6113597, 18340791]

約数ペア:

[(1, 18340791), (3, 6113597), (7, 2620113), (21, 873371), (71, 258321), (213, 86107), (497, 36903), (1491, 12301)]