19310956

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^2\times {\mathrm{373}}^1$

素因数の和:470

約数の個数: 36

約数和(自身を含む): 39646992

約数和(自身を除く): 20336036

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 373, 602, 746, 1204, 1492, 1849, 2611, 3698, 5222, 7396, 10444, 12943, 16039, 25886, 32078, 51772, 64156, 112273, 224546, 449092, 689677, 1379354, 2758708, 4827739, 9655478, 19310956]

約数ペア:

[(1, 19310956), (2, 9655478), (4, 4827739), (7, 2758708), (14, 1379354), (28, 689677), (43, 449092), (86, 224546), (172, 112273), (301, 64156), (373, 51772), (602, 32078), (746, 25886), (1204, 16039), (1492, 12943), (1849, 10444), (2611, 7396), (3698, 5222)]