18231142

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{997}}^1$

素因数の和:1263

約数の個数: 16

約数和(自身を含む): 28167552

約数和(自身を除く): 9936410

約数列:

[1, 2, 41, 82, 223, 446, 997, 1994, 9143, 18286, 40877, 81754, 222331, 444662, 9115571, 18231142]

約数ペア:

[(1, 18231142), (2, 9115571), (41, 444662), (82, 222331), (223, 81754), (446, 40877), (997, 18286), (1994, 9143)]