16993790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 36080640

約数和(自身を除く): 19086850

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 47, 55, 94, 95, 110, 173, 190, 209, 235, 346, 418, 470, 517, 865, 893, 1034, 1045, 1730, 1786, 1903, 2090, 2585, 3287, 3806, 4465, 5170, 6574, 8131, 8930, 9515, 9823, 16262, 16435, 19030, 19646, 32870, 36157, 40655, 49115, 72314, 81310, 89441, 98230, 154489, 178882, 180785, 308978, 361570, 447205, 772445, 894410, 1544890, 1699379, 3398758, 8496895, 16993790]

約数ペア:

[(1, 16993790), (2, 8496895), (5, 3398758), (10, 1699379), (11, 1544890), (19, 894410), (22, 772445), (38, 447205), (47, 361570), (55, 308978), (94, 180785), (95, 178882), (110, 154489), (173, 98230), (190, 89441), (209, 81310), (235, 72314), (346, 49115), (418, 40655), (470, 36157), (517, 32870), (865, 19646), (893, 19030), (1034, 16435), (1045, 16262), (1730, 9823), (1786, 9515), (1903, 8930), (2090, 8131), (2585, 6574), (3287, 5170), (3806, 4465)]