18708915

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1049}}^1$

素因数の和:1127

約数の個数: 32

約数和(自身を含む): 31752000

約数和(自身を除く): 13043085

約数列:

[1, 3, 5, 15, 29, 41, 87, 123, 145, 205, 435, 615, 1049, 1189, 3147, 3567, 5245, 5945, 15735, 17835, 30421, 43009, 91263, 129027, 152105, 215045, 456315, 645135, 1247261, 3741783, 6236305, 18708915]

約数ペア:

[(1, 18708915), (3, 6236305), (5, 3741783), (15, 1247261), (29, 645135), (41, 456315), (87, 215045), (123, 152105), (145, 129027), (205, 91263), (435, 43009), (615, 30421), (1049, 17835), (1189, 15735), (3147, 5945), (3567, 5245)]