19871862

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{143999}}^1$

素因数の和:144027

約数の個数: 16

約数和(自身を含む): 41472000

約数和(自身を除く): 21600138

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 143999, 287998, 431997, 863994, 3311977, 6623954, 9935931, 19871862]

約数ペア:

[(1, 19871862), (2, 9935931), (3, 6623954), (6, 3311977), (23, 863994), (46, 431997), (69, 287998), (138, 143999)]