19775954

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{271}}^1$

素因数の和:422

約数の個数: 32

約数和(自身を含む): 33841152

約数和(自身を除く): 14065198

約数列:

[1, 2, 11, 22, 31, 62, 107, 214, 271, 341, 542, 682, 1177, 2354, 2981, 3317, 5962, 6634, 8401, 16802, 28997, 36487, 57994, 72974, 92411, 184822, 318967, 637934, 898907, 1797814, 9887977, 19775954]

約数ペア:

[(1, 19775954), (2, 9887977), (11, 1797814), (22, 898907), (31, 637934), (62, 318967), (107, 184822), (214, 92411), (271, 72974), (341, 57994), (542, 36487), (682, 28997), (1177, 16802), (2354, 8401), (2981, 6634), (3317, 5962)]