20181491638

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131048647}}^1$

素因数の和:131048667

約数の個数: 16

約数和(自身を含む): 37742010624

約数和(自身を除く): 17560518986

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 131048647, 262097294, 917340529, 1441535117, 1834681058, 2883070234, 10090745819, 20181491638]

約数ペア:

[(1, 20181491638), (2, 10090745819), (7, 2883070234), (11, 1834681058), (14, 1441535117), (22, 917340529), (77, 262097294), (154, 131048647)]