18397029

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{23677}}^1$

素因数の和:23724

約数の個数: 16

約数和(自身を含む): 28792448

約数和(自身を除く): 10395419

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 23677, 71031, 165739, 497217, 876049, 2628147, 6132343, 18397029]

約数ペア:

[(1, 18397029), (3, 6132343), (7, 2628147), (21, 876049), (37, 497217), (111, 165739), (259, 71031), (777, 23677)]