19726642

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{761}}^1\times {\mathrm{997}}^1$

素因数の和:1773

約数の個数: 16

約数和(自身を含む): 31939992

約数和(自身を除く): 12213350

約数列:

[1, 2, 13, 26, 761, 997, 1522, 1994, 9893, 12961, 19786, 25922, 758717, 1517434, 9863321, 19726642]

約数ペア:

[(1, 19726642), (2, 9863321), (13, 1517434), (26, 758717), (761, 25922), (997, 19786), (1522, 12961), (1994, 9893)]