18680493605

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{809}}^1\times {\mathrm{271657}}^1$

素因数の和:272488

約数の個数: 16

約数和(自身を含む): 23764641840

約数和(自身を除く): 5084148235

約数列:

[1, 5, 17, 85, 809, 4045, 13753, 68765, 271657, 1358285, 4618169, 23090845, 219770513, 1098852565, 3736098721, 18680493605]

約数ペア:

[(1, 18680493605), (5, 3736098721), (17, 1098852565), (85, 219770513), (809, 23090845), (4045, 4618169), (13753, 1358285), (68765, 271657)]