19960688

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{4931}}^1$

素因数の和:4973

約数の個数: 40

約数和(自身を含む): 44032896

約数和(自身を除く): 24072208

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 88, 92, 176, 184, 253, 368, 506, 1012, 2024, 4048, 4931, 9862, 19724, 39448, 54241, 78896, 108482, 113413, 216964, 226826, 433928, 453652, 867856, 907304, 1247543, 1814608, 2495086, 4990172, 9980344, 19960688]

約数ペア:

[(1, 19960688), (2, 9980344), (4, 4990172), (8, 2495086), (11, 1814608), (16, 1247543), (22, 907304), (23, 867856), (44, 453652), (46, 433928), (88, 226826), (92, 216964), (176, 113413), (184, 108482), (253, 78896), (368, 54241), (506, 39448), (1012, 19724), (2024, 9862), (4048, 4931)]