15721496964

素因数分解:

$2^2\times 3^2\times {\mathrm{436708249}}^1$

素因数の和:436708259

約数の個数: 18

約数和(自身を含む): 39740450750

約数和(自身を除く): 24018953786

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 436708249, 873416498, 1310124747, 1746832996, 2620249494, 3930374241, 5240498988, 7860748482, 15721496964]

約数ペア:

[(1, 15721496964), (2, 7860748482), (3, 5240498988), (4, 3930374241), (6, 2620249494), (9, 1746832996), (12, 1310124747), (18, 873416498), (36, 436708249)]