18540320

素因数分解:

$2^5\times 5^1\times {\mathrm{115877}}^1$

素因数の和:115892

約数の個数: 24

約数和(自身を含む): 43801884

約数和(自身を除く): 25261564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 115877, 231754, 463508, 579385, 927016, 1158770, 1854032, 2317540, 3708064, 4635080, 9270160, 18540320]

約数ペア:

[(1, 18540320), (2, 9270160), (4, 4635080), (5, 3708064), (8, 2317540), (10, 1854032), (16, 1158770), (20, 927016), (32, 579385), (40, 463508), (80, 231754), (160, 115877)]