19882140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{331369}}^1$

素因数の和:331381

約数の個数: 24

約数和(自身を含む): 55670160

約数和(自身を除く): 35788020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 331369, 662738, 994107, 1325476, 1656845, 1988214, 3313690, 3976428, 4970535, 6627380, 9941070, 19882140]

約数ペア:

[(1, 19882140), (2, 9941070), (3, 6627380), (4, 4970535), (5, 3976428), (6, 3313690), (10, 1988214), (12, 1656845), (15, 1325476), (20, 994107), (30, 662738), (60, 331369)]