19843239

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1$

素因数の和:535

約数の個数: 32

約数和(自身を含む): 30553600

約数和(自身を除く): 10710361

約数列:

[1, 3, 13, 19, 39, 57, 61, 183, 247, 439, 741, 793, 1159, 1317, 2379, 3477, 5707, 8341, 15067, 17121, 25023, 26779, 45201, 80337, 108433, 325299, 348127, 508801, 1044381, 1526403, 6614413, 19843239]

約数ペア:

[(1, 19843239), (3, 6614413), (13, 1526403), (19, 1044381), (39, 508801), (57, 348127), (61, 325299), (183, 108433), (247, 80337), (439, 45201), (741, 26779), (793, 25023), (1159, 17121), (1317, 15067), (2379, 8341), (3477, 5707)]