18900497

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12919}}^1$

素因数の和:12956

約数の個数: 16

約数和(自身を含む): 24806400

約数和(自身を除く): 5905903

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 12919, 90433, 142109, 245461, 994763, 1718227, 2700071, 18900497]

約数ペア:

[(1, 18900497), (7, 2700071), (11, 1718227), (19, 994763), (77, 245461), (133, 142109), (209, 90433), (1463, 12919)]