19950172

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{7433}}^1$

素因数の和:7509

約数の個数: 24

約数和(自身を含む): 38716272

約数和(自身を除く): 18766100

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 7433, 14866, 29732, 81763, 163526, 327052, 453413, 906826, 1813652, 4987543, 9975086, 19950172]

約数ペア:

[(1, 19950172), (2, 9975086), (4, 4987543), (11, 1813652), (22, 906826), (44, 453413), (61, 327052), (122, 163526), (244, 81763), (671, 29732), (1342, 14866), (2684, 7433)]