18180539

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{229}}^1$

素因数の和:470

約数の個数: 16

約数和(自身を含む): 20401920

約数和(自身を除く): 2221381

約数列:

[1, 13, 31, 197, 229, 403, 2561, 2977, 6107, 7099, 45113, 79391, 92287, 586469, 1398503, 18180539]

約数ペア:

[(1, 18180539), (13, 1398503), (31, 586469), (197, 92287), (229, 79391), (403, 45113), (2561, 7099), (2977, 6107)]