19206019

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1321}}^1$

素因数の和:1426

約数の個数: 16

約数和(自身を含む): 23013376

約数和(自身を除く): 3807357

約数列:

[1, 7, 31, 67, 217, 469, 1321, 2077, 9247, 14539, 40951, 88507, 286657, 619549, 2743717, 19206019]

約数ペア:

[(1, 19206019), (7, 2743717), (31, 619549), (67, 286657), (217, 88507), (469, 40951), (1321, 14539), (2077, 9247)]