18920899198

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{3601237}}^1$

素因数の和:3601347

約数の個数: 16

約数和(自身を含む): 29558961504

約数和(自身を除く): 10638062306

約数列:

[1, 2, 37, 71, 74, 142, 2627, 5254, 3601237, 7202474, 133245769, 255687827, 266491538, 511375654, 9460449599, 18920899198]

約数ペア:

[(1, 18920899198), (2, 9460449599), (37, 511375654), (71, 266491538), (74, 255687827), (142, 133245769), (2627, 7202474), (5254, 3601237)]