81481994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{194933}}^1$

素因数の和:194965

約数の個数: 16

約数和(自身を含む): 140352480

約数和(自身を除く): 58870486

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 194933, 389866, 2144263, 3703727, 4288526, 7407454, 40740997, 81481994]

約数ペア:

[(1, 81481994), (2, 40740997), (11, 7407454), (19, 4288526), (22, 3703727), (38, 2144263), (209, 389866), (418, 194933)]