18887278

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{5783}}^1$

素因数の和:5879

約数の個数: 16

約数和(自身を含む): 29984256

約数和(自身を除く): 11096978

約数列:

[1, 2, 23, 46, 71, 142, 1633, 3266, 5783, 11566, 133009, 266018, 410593, 821186, 9443639, 18887278]

約数ペア:

[(1, 18887278), (2, 9443639), (23, 821186), (46, 410593), (71, 266018), (142, 133009), (1633, 11566), (3266, 5783)]