18887933390

素因数分解:

$2^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{457}}^1\times {\mathrm{17293}}^1$

素因数の和:17996

約数の個数: 32

約数和(自身を含む): 34217216640

約数和(自身を除く): 15329283250

約数列:

[1, 2, 5, 10, 239, 457, 478, 914, 1195, 2285, 2390, 4570, 17293, 34586, 86465, 109223, 172930, 218446, 546115, 1092230, 4133027, 7902901, 8266054, 15805802, 20665135, 39514505, 41330270, 79029010, 1888793339, 3777586678, 9443966695, 18887933390]

約数ペア:

[(1, 18887933390), (2, 9443966695), (5, 3777586678), (10, 1888793339), (239, 79029010), (457, 41330270), (478, 39514505), (914, 20665135), (1195, 15805802), (2285, 8266054), (2390, 7902901), (4570, 4133027), (17293, 1092230), (34586, 546115), (86465, 218446), (109223, 172930)]