19947292

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{2543}}^1$

素因数の和:2637

約数の個数: 24

約数和(自身を含む): 36542016

約数和(自身を除く): 16594724

約数列:

[1, 2, 4, 37, 53, 74, 106, 148, 212, 1961, 2543, 3922, 5086, 7844, 10172, 94091, 134779, 188182, 269558, 376364, 539116, 4986823, 9973646, 19947292]

約数ペア:

[(1, 19947292), (2, 9973646), (4, 4986823), (37, 539116), (53, 376364), (74, 269558), (106, 188182), (148, 134779), (212, 94091), (1961, 10172), (2543, 7844), (3922, 5086)]