18872320004

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{66451831}}^1$

素因数の和:66451906

約数の個数: 12

約数和(自身を含む): 33491723328

約数和(自身を除く): 14619403324

約数列:

[1, 2, 4, 71, 142, 284, 66451831, 132903662, 265807324, 4718080001, 9436160002, 18872320004]

約数ペア:

[(1, 18872320004), (2, 9436160002), (4, 4718080001), (71, 265807324), (142, 132903662), (284, 66451831)]