19216701

素因数分解:

$3^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1597}}^1$

素因数の和:1801

約数の個数: 24

約数和(自身を含む): 31908864

約数和(自身を除く): 12692163

約数列:

[1, 3, 7, 9, 21, 63, 191, 573, 1337, 1597, 1719, 4011, 4791, 11179, 12033, 14373, 33537, 100611, 305027, 915081, 2135189, 2745243, 6405567, 19216701]

約数ペア:

[(1, 19216701), (3, 6405567), (7, 2745243), (9, 2135189), (21, 915081), (63, 305027), (191, 100611), (573, 33537), (1337, 14373), (1597, 12033), (1719, 11179), (4011, 4791)]