18691517

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1019}}^1$

素因数の和:1132

約数の個数: 16

約数和(自身を含む): 21591360

約数和(自身を除く): 2899843

約数列:

[1, 13, 17, 83, 221, 1019, 1079, 1411, 13247, 17323, 18343, 84577, 225199, 1099501, 1437809, 18691517]

約数ペア:

[(1, 18691517), (13, 1437809), (17, 1099501), (83, 225199), (221, 84577), (1019, 18343), (1079, 17323), (1411, 13247)]