18874366

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{439}}^1$

素因数の和:568

約数の個数: 32

約数和(自身を含む): 33707520

約数和(自身を除く): 14833154

約数列:

[1, 2, 7, 14, 37, 74, 83, 166, 259, 439, 518, 581, 878, 1162, 3071, 3073, 6142, 6146, 16243, 21497, 32486, 36437, 42994, 72874, 113701, 227402, 255059, 510118, 1348169, 2696338, 9437183, 18874366]

約数ペア:

[(1, 18874366), (2, 9437183), (7, 2696338), (14, 1348169), (37, 510118), (74, 255059), (83, 227402), (166, 113701), (259, 72874), (439, 42994), (518, 36437), (581, 32486), (878, 21497), (1162, 16243), (3071, 6146), (3073, 6142)]