18932151

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2063}}^1$

素因数の和:2115

約数の個数: 32

約数和(自身を含む): 31703040

約数和(自身を除く): 12770889

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 399, 437, 483, 1311, 2063, 3059, 6189, 9177, 14441, 39197, 43323, 47449, 117591, 142347, 274379, 332143, 823137, 901531, 996429, 2704593, 6310717, 18932151]

約数ペア:

[(1, 18932151), (3, 6310717), (7, 2704593), (19, 996429), (21, 901531), (23, 823137), (57, 332143), (69, 274379), (133, 142347), (161, 117591), (399, 47449), (437, 43323), (483, 39197), (1311, 14441), (2063, 9177), (3059, 6189)]