19440819

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4943}}^1$

素因数の和:4991

約数の個数: 24

約数和(自身を含む): 30850560

約数和(自身を除く): 11409741

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 1311, 3933, 4943, 14829, 44487, 93917, 113689, 281751, 341067, 845253, 1023201, 2160091, 6480273, 19440819]

約数ペア:

[(1, 19440819), (3, 6480273), (9, 2160091), (19, 1023201), (23, 845253), (57, 341067), (69, 281751), (171, 113689), (207, 93917), (437, 44487), (1311, 14829), (3933, 4943)]