19474587

素因数分解:

$3^4\times {\mathrm{11}}^2\times {\mathrm{1987}}^1$

素因数の和:2021

約数の個数: 30

約数和(自身を含む): 31992884

約数和(自身を除く): 12518297

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 121, 297, 363, 891, 1089, 1987, 3267, 5961, 9801, 17883, 21857, 53649, 65571, 160947, 196713, 240427, 590139, 721281, 1770417, 2163843, 6491529, 19474587]

約数ペア:

[(1, 19474587), (3, 6491529), (9, 2163843), (11, 1770417), (27, 721281), (33, 590139), (81, 240427), (99, 196713), (121, 160947), (297, 65571), (363, 53649), (891, 21857), (1089, 17883), (1987, 9801), (3267, 5961)]