18721434

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{42743}}^1$

素因数の和:42821

約数の個数: 16

約数和(自身を含む): 37956672

約数和(自身を除く): 19235238

約数列:

[1, 2, 3, 6, 73, 146, 219, 438, 42743, 85486, 128229, 256458, 3120239, 6240478, 9360717, 18721434]

約数ペア:

[(1, 18721434), (2, 9360717), (3, 6240478), (6, 3120239), (73, 256458), (146, 128229), (219, 85486), (438, 42743)]