18087990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{8999}}^1$

素因数の和:9076

約数の個数: 32

約数和(自身を含む): 44064000

約数和(自身を除く): 25976010

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 201, 335, 402, 670, 1005, 2010, 8999, 17998, 26997, 44995, 53994, 89990, 134985, 269970, 602933, 1205866, 1808799, 3014665, 3617598, 6029330, 9043995, 18087990]

約数ペア:

[(1, 18087990), (2, 9043995), (3, 6029330), (5, 3617598), (6, 3014665), (10, 1808799), (15, 1205866), (30, 602933), (67, 269970), (134, 134985), (201, 89990), (335, 53994), (402, 44995), (670, 26997), (1005, 17998), (2010, 8999)]