19121011

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{11059}}^1$

素因数の和:11098

約数の個数: 16

約数和(自身を含む): 24774400

約数和(自身を除く): 5653389

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 11059, 77413, 143767, 210121, 1006369, 1470847, 2731573, 19121011]

約数ペア:

[(1, 19121011), (7, 2731573), (13, 1470847), (19, 1006369), (91, 210121), (133, 143767), (247, 77413), (1729, 11059)]