17988496

素因数分解:

$2^4\times {\mathrm{281}}^1\times {\mathrm{4001}}^1$

素因数の和:4290

約数の個数: 20

約数和(自身を含む): 34985484

約数和(自身を除く): 16996988

約数列:

[1, 2, 4, 8, 16, 281, 562, 1124, 2248, 4001, 4496, 8002, 16004, 32008, 64016, 1124281, 2248562, 4497124, 8994248, 17988496]

約数ペア:

[(1, 17988496), (2, 8994248), (4, 4497124), (8, 2248562), (16, 1124281), (281, 64016), (562, 32008), (1124, 16004), (2248, 8002), (4001, 4496)]