18937005

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{26861}}^1$

素因数の和:26916

約数の個数: 16

約数和(自身を含む): 30945024

約数和(自身を除く): 12008019

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 26861, 80583, 134305, 402915, 1262467, 3787401, 6312335, 18937005]

約数ペア:

[(1, 18937005), (3, 6312335), (5, 3787401), (15, 1262467), (47, 402915), (141, 134305), (235, 80583), (705, 26861)]