19478826

素因数分解:

$2^1\times 3^3\times {\mathrm{163}}^1\times {\mathrm{2213}}^1$

素因数の和:2387

約数の個数: 32

約数和(自身を含む): 43571520

約数和(自身を除く): 24092694

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 163, 326, 489, 978, 1467, 2213, 2934, 4401, 4426, 6639, 8802, 13278, 19917, 39834, 59751, 119502, 360719, 721438, 1082157, 2164314, 3246471, 6492942, 9739413, 19478826]

約数ペア:

[(1, 19478826), (2, 9739413), (3, 6492942), (6, 3246471), (9, 2164314), (18, 1082157), (27, 721438), (54, 360719), (163, 119502), (326, 59751), (489, 39834), (978, 19917), (1467, 13278), (2213, 8802), (2934, 6639), (4401, 4426)]