18401660

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31727}}^1$

素因数の和:31765

約数の個数: 24

約数和(自身を含む): 39977280

約数和(自身を除く): 21575620

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 31727, 63454, 126908, 158635, 317270, 634540, 920083, 1840166, 3680332, 4600415, 9200830, 18401660]

約数ペア:

[(1, 18401660), (2, 9200830), (4, 4600415), (5, 3680332), (10, 1840166), (20, 920083), (29, 634540), (58, 317270), (116, 158635), (145, 126908), (290, 63454), (580, 31727)]