19919010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{663967}}^1$

素因数の和:663977

約数の個数: 16

約数和(自身を含む): 47805696

約数和(自身を除く): 27886686

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 663967, 1327934, 1991901, 3319835, 3983802, 6639670, 9959505, 19919010]

約数ペア:

[(1, 19919010), (2, 9959505), (3, 6639670), (5, 3983802), (6, 3319835), (10, 1991901), (15, 1327934), (30, 663967)]