19840782

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{254369}}^1$

素因数の和:254387

約数の個数: 16

約数和(自身を含む): 42734160

約数和(自身を除く): 22893378

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 254369, 508738, 763107, 1526214, 3306797, 6613594, 9920391, 19840782]

約数ペア:

[(1, 19840782), (2, 9920391), (3, 6613594), (6, 3306797), (13, 1526214), (26, 763107), (39, 508738), (78, 254369)]