19810044

素因数分解:

$2^2\times 3^2\times {\mathrm{550279}}^1$

素因数の和:550289

約数の個数: 18

約数和(自身を含む): 50075480

約数和(自身を除く): 30265436

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 550279, 1100558, 1650837, 2201116, 3301674, 4952511, 6603348, 9905022, 19810044]

約数ペア:

[(1, 19810044), (2, 9905022), (3, 6603348), (4, 4952511), (6, 3301674), (9, 2201116), (12, 1650837), (18, 1100558), (36, 550279)]