18817893

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:330

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 10212507

約数列:

[1, 3, 9, 27, 41, 89, 123, 191, 267, 369, 573, 801, 1107, 1719, 2403, 3649, 5157, 7831, 10947, 16999, 23493, 32841, 50997, 70479, 98523, 152991, 211437, 458973, 696959, 2090877, 6272631, 18817893]

約数ペア:

[(1, 18817893), (3, 6272631), (9, 2090877), (27, 696959), (41, 458973), (89, 211437), (123, 152991), (191, 98523), (267, 70479), (369, 50997), (573, 32841), (801, 23493), (1107, 16999), (1719, 10947), (2403, 7831), (3649, 5157)]