19972312

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{28051}}^1$

素因数の和:28146

約数の個数: 16

約数和(自身を含む): 37870200

約数和(自身を除く): 17897888

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 28051, 56102, 112204, 224408, 2496539, 4993078, 9986156, 19972312]

約数ペア:

[(1, 19972312), (2, 9986156), (4, 4993078), (8, 2496539), (89, 224408), (178, 112204), (356, 56102), (712, 28051)]