18742677

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^2\times {\mathrm{73}}^1$

素因数の和:221

約数の個数: 24

約数和(自身を含む): 26874432

約数和(自身を除く): 8131755

約数列:

[1, 3, 23, 61, 69, 73, 183, 219, 1403, 1679, 3721, 4209, 4453, 5037, 11163, 13359, 85583, 102419, 256749, 271633, 307257, 814899, 6247559, 18742677]

約数ペア:

[(1, 18742677), (3, 6247559), (23, 814899), (61, 307257), (69, 271633), (73, 256749), (183, 102419), (219, 85583), (1403, 13359), (1679, 11163), (3721, 5037), (4209, 4453)]