18163639

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{487}}^1$

素因数の和:670

約数の個数: 16

約数和(自身を含む): 20769280

約数和(自身を除く): 2605641

約数列:

[1, 13, 19, 151, 247, 487, 1963, 2869, 6331, 9253, 37297, 73537, 120289, 955981, 1397203, 18163639]

約数ペア:

[(1, 18163639), (13, 1397203), (19, 955981), (151, 120289), (247, 73537), (487, 37297), (1963, 9253), (2869, 6331)]