18689027

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1693}}^1$

素因数の和:1802

約数の個数: 16

約数和(自身を含む): 22767360

約数和(自身を除く): 4078333

約数列:

[1, 7, 19, 83, 133, 581, 1577, 1693, 11039, 11851, 32167, 140519, 225169, 983633, 2669861, 18689027]

約数ペア:

[(1, 18689027), (7, 2669861), (19, 983633), (83, 225169), (133, 140519), (581, 32167), (1577, 11851), (1693, 11039)]