19396456

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{1123}}^1$

素因数の和:1273

約数の個数: 32

約数和(自身を含む): 38845440

約数和(自身を除く): 19448984

約数列:

[1, 2, 4, 8, 17, 34, 68, 127, 136, 254, 508, 1016, 1123, 2159, 2246, 4318, 4492, 8636, 8984, 17272, 19091, 38182, 76364, 142621, 152728, 285242, 570484, 1140968, 2424557, 4849114, 9698228, 19396456]

約数ペア:

[(1, 19396456), (2, 9698228), (4, 4849114), (8, 2424557), (17, 1140968), (34, 570484), (68, 285242), (127, 152728), (136, 142621), (254, 76364), (508, 38182), (1016, 19091), (1123, 17272), (2159, 8984), (2246, 8636), (4318, 4492)]