18858231

素因数分解:

$3^3\times 7^1\times {\mathrm{113}}^1\times {\mathrm{883}}^1$

素因数の和:1012

約数の個数: 32

約数和(自身を含む): 32248320

約数和(自身を除く): 13390089

約数列:

[1, 3, 7, 9, 21, 27, 63, 113, 189, 339, 791, 883, 1017, 2373, 2649, 3051, 6181, 7119, 7947, 18543, 21357, 23841, 55629, 99779, 166887, 299337, 698453, 898011, 2095359, 2694033, 6286077, 18858231]

約数ペア:

[(1, 18858231), (3, 6286077), (7, 2694033), (9, 2095359), (21, 898011), (27, 698453), (63, 299337), (113, 166887), (189, 99779), (339, 55629), (791, 23841), (883, 21357), (1017, 18543), (2373, 7947), (2649, 7119), (3051, 6181)]