19271998

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1\times {\mathrm{809}}^1$

素因数の和:1131

約数の個数: 16

約数和(自身を含む): 29723760

約数和(自身を除く): 10451762

約数列:

[1, 2, 43, 86, 277, 554, 809, 1618, 11911, 23822, 34787, 69574, 224093, 448186, 9635999, 19271998]

約数ペア:

[(1, 19271998), (2, 9635999), (43, 448186), (86, 224093), (277, 69574), (554, 34787), (809, 23822), (1618, 11911)]