19956558

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{77351}}^1$

素因数の和:77399

約数の個数: 16

約数和(自身を含む): 40841856

約数和(自身を除く): 20885298

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 77351, 154702, 232053, 464106, 3326093, 6652186, 9978279, 19956558]

約数ペア:

[(1, 19956558), (2, 9978279), (3, 6652186), (6, 3326093), (43, 464106), (86, 232053), (129, 154702), (258, 77351)]