19910138

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{709}}^1\times {\mathrm{739}}^1$

素因数の和:1469

約数の個数: 16

約数和(自身を含む): 31524000

約数和(自身を除く): 11613862

約数列:

[1, 2, 19, 38, 709, 739, 1418, 1478, 13471, 14041, 26942, 28082, 523951, 1047902, 9955069, 19910138]

約数ペア:

[(1, 19910138), (2, 9955069), (19, 1047902), (38, 523951), (709, 28082), (739, 26942), (1418, 14041), (1478, 13471)]