19723678

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{743}}^1\times {\mathrm{1021}}^1$

素因数の和:1779

約数の個数: 16

約数和(自身を含む): 31935456

約数和(自身を除く): 12211778

約数列:

[1, 2, 13, 26, 743, 1021, 1486, 2042, 9659, 13273, 19318, 26546, 758603, 1517206, 9861839, 19723678]

約数ペア:

[(1, 19723678), (2, 9861839), (13, 1517206), (26, 758603), (743, 26546), (1021, 19318), (1486, 13273), (2042, 9659)]