16810866

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{641}}^1$

素因数の和:727

約数の個数: 48

約数和(自身を含む): 38458368

約数和(自身を除く): 21647502

約数列:

[1, 2, 3, 6, 9, 18, 31, 47, 62, 93, 94, 141, 186, 279, 282, 423, 558, 641, 846, 1282, 1457, 1923, 2914, 3846, 4371, 5769, 8742, 11538, 13113, 19871, 26226, 30127, 39742, 59613, 60254, 90381, 119226, 178839, 180762, 271143, 357678, 542286, 933937, 1867874, 2801811, 5603622, 8405433, 16810866]

約数ペア:

[(1, 16810866), (2, 8405433), (3, 5603622), (6, 2801811), (9, 1867874), (18, 933937), (31, 542286), (47, 357678), (62, 271143), (93, 180762), (94, 178839), (141, 119226), (186, 90381), (279, 60254), (282, 59613), (423, 39742), (558, 30127), (641, 26226), (846, 19871), (1282, 13113), (1457, 11538), (1923, 8742), (2914, 5769), (3846, 4371)]