18489039

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1423}}^1$

素因数の和:1558

約数の個数: 16

約数和(自身を含む): 25426944

約数和(自身を除く): 6937905

約数列:

[1, 3, 61, 71, 183, 213, 1423, 4269, 4331, 12993, 86803, 101033, 260409, 303099, 6163013, 18489039]

約数ペア:

[(1, 18489039), (3, 6163013), (61, 303099), (71, 260409), (183, 101033), (213, 86803), (1423, 12993), (4269, 4331)]