18976269

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{25609}}^1$

素因数の和:25644

約数の個数: 16

約数和(自身を含む): 28683200

約数和(自身を除く): 9706931

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 25609, 76827, 332917, 486571, 998751, 1459713, 6325423, 18976269]

約数ペア:

[(1, 18976269), (3, 6325423), (13, 1459713), (19, 998751), (39, 486571), (57, 332917), (247, 76827), (741, 25609)]