18973732

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{223}}^1\times {\mathrm{239}}^1$

素因数の和:555

約数の個数: 24

約数和(自身を含む): 33868800

約数和(自身を除く): 14895068

約数列:

[1, 2, 4, 89, 178, 223, 239, 356, 446, 478, 892, 956, 19847, 21271, 39694, 42542, 53297, 79388, 85084, 106594, 213188, 4743433, 9486866, 18973732]

約数ペア:

[(1, 18973732), (2, 9486866), (4, 4743433), (89, 213188), (178, 106594), (223, 85084), (239, 79388), (356, 53297), (446, 42542), (478, 39694), (892, 21271), (956, 19847)]