19809969688

素因数分解:

$2^3\times {\mathrm{38557}}^1\times {\mathrm{64223}}^1$

素因数の和:102786

約数の個数: 16

約数和(自身を含む): 37145234880

約数和(自身を除く): 17335265192

約数列:

[1, 2, 4, 8, 38557, 64223, 77114, 128446, 154228, 256892, 308456, 513784, 2476246211, 4952492422, 9904984844, 19809969688]

約数ペア:

[(1, 19809969688), (2, 9904984844), (4, 4952492422), (8, 2476246211), (38557, 513784), (64223, 308456), (77114, 256892), (128446, 154228)]