18683930

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{43451}}^1$

素因数の和:43501

約数の個数: 16

約数和(自身を含む): 34413984

約数和(自身を除く): 15730054

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 43451, 86902, 217255, 434510, 1868393, 3736786, 9341965, 18683930]

約数ペア:

[(1, 18683930), (2, 9341965), (5, 3736786), (10, 1868393), (43, 434510), (86, 217255), (215, 86902), (430, 43451)]