15999948

素因数分解:

$2^2\times 3^2\times {\mathrm{444443}}^1$

素因数の和:444453

約数の個数: 18

約数和(自身を含む): 40444404

約数和(自身を除く): 24444456

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 444443, 888886, 1333329, 1777772, 2666658, 3999987, 5333316, 7999974, 15999948]

約数ペア:

[(1, 15999948), (2, 7999974), (3, 5333316), (4, 3999987), (6, 2666658), (9, 1777772), (12, 1333329), (18, 888886), (36, 444443)]