18727954

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:390

約数の個数: 32

約数和(自身を含む): 33094656

約数和(自身を除く): 14366702

約数列:

[1, 2, 7, 14, 71, 83, 142, 166, 227, 454, 497, 581, 994, 1162, 1589, 3178, 5893, 11786, 16117, 18841, 32234, 37682, 41251, 82502, 112819, 131887, 225638, 263774, 1337711, 2675422, 9363977, 18727954]

約数ペア:

[(1, 18727954), (2, 9363977), (7, 2675422), (14, 1337711), (71, 263774), (83, 225638), (142, 131887), (166, 112819), (227, 82502), (454, 41251), (497, 37682), (581, 32234), (994, 18841), (1162, 16117), (1589, 11786), (3178, 5893)]