18622227

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1$

素因数の和:331

約数の個数: 32

約数和(自身を含む): 28112896

約数和(自身を除く): 9490669

約数列:

[1, 3, 13, 31, 39, 73, 93, 211, 219, 403, 633, 949, 1209, 2263, 2743, 2847, 6541, 6789, 8229, 15403, 19623, 29419, 46209, 85033, 88257, 200239, 255099, 477493, 600717, 1432479, 6207409, 18622227]

約数ペア:

[(1, 18622227), (3, 6207409), (13, 1432479), (31, 600717), (39, 477493), (73, 255099), (93, 200239), (211, 88257), (219, 85033), (403, 46209), (633, 29419), (949, 19623), (1209, 15403), (2263, 8229), (2743, 6789), (2847, 6541)]