19919310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{663977}}^1$

素因数の和:663987

約数の個数: 16

約数和(自身を含む): 47806416

約数和(自身を除く): 27887106

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 663977, 1327954, 1991931, 3319885, 3983862, 6639770, 9959655, 19919310]

約数ペア:

[(1, 19919310), (2, 9959655), (3, 6639770), (5, 3983862), (6, 3319885), (10, 1991931), (15, 1327954), (30, 663977)]