18886987179

素因数分解:

$3^2\times {\mathrm{491}}^1\times {\mathrm{4274041}}^1$

素因数の和:4274538

約数の個数: 12

約数和(自身を含む): 27336772632

約数和(自身を除く): 8449785453

約数列:

[1, 3, 9, 491, 1473, 4419, 4274041, 12822123, 38466369, 2098554131, 6295662393, 18886987179]

約数ペア:

[(1, 18886987179), (3, 6295662393), (9, 2098554131), (491, 38466369), (1473, 12822123), (4419, 4274041)]