19558441

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:189

約数の個数: 32

約数和(自身を含む): 24883200

約数和(自身を除く): 5324759

約数列:

[1, 7, 23, 29, 59, 71, 161, 203, 413, 497, 667, 1357, 1633, 1711, 2059, 4189, 4669, 9499, 11431, 11977, 14413, 29323, 39353, 47357, 96347, 121481, 275471, 331499, 674429, 850367, 2794063, 19558441]

約数ペア:

[(1, 19558441), (7, 2794063), (23, 850367), (29, 674429), (59, 331499), (71, 275471), (161, 121481), (203, 96347), (413, 47357), (497, 39353), (667, 29323), (1357, 14413), (1633, 11977), (1711, 11431), (2059, 9499), (4189, 4669)]