18718690

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{39827}}^1$

素因数の和:39881

約数の個数: 16

約数和(自身を含む): 34411392

約数和(自身を除く): 15692702

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 39827, 79654, 199135, 398270, 1871869, 3743738, 9359345, 18718690]

約数ペア:

[(1, 18718690), (2, 9359345), (5, 3743738), (10, 1871869), (47, 398270), (94, 199135), (235, 79654), (470, 39827)]