1805691890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1\times {\mathrm{16519}}^1$

素因数の和:17186

約数の個数: 32

約数和(自身を含む): 3446997120

約数和(自身を除く): 1641305230

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 643, 1286, 3215, 6430, 10931, 16519, 21862, 33038, 54655, 82595, 109310, 165190, 280823, 561646, 1404115, 2808230, 10621717, 21243434, 53108585, 106217170, 180569189, 361138378, 902845945, 1805691890]

約数ペア:

[(1, 1805691890), (2, 902845945), (5, 361138378), (10, 180569189), (17, 106217170), (34, 53108585), (85, 21243434), (170, 10621717), (643, 2808230), (1286, 1404115), (3215, 561646), (6430, 280823), (10931, 165190), (16519, 109310), (21862, 82595), (33038, 54655)]