19692784

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{907}}^1$

素因数の和:997

約数の個数: 40

約数和(自身を含む): 40533120

約数和(自身を除く): 20840336

約数列:

[1, 2, 4, 8, 16, 23, 46, 59, 92, 118, 184, 236, 368, 472, 907, 944, 1357, 1814, 2714, 3628, 5428, 7256, 10856, 14512, 20861, 21712, 41722, 53513, 83444, 107026, 166888, 214052, 333776, 428104, 856208, 1230799, 2461598, 4923196, 9846392, 19692784]

約数ペア:

[(1, 19692784), (2, 9846392), (4, 4923196), (8, 2461598), (16, 1230799), (23, 856208), (46, 428104), (59, 333776), (92, 214052), (118, 166888), (184, 107026), (236, 83444), (368, 53513), (472, 41722), (907, 21712), (944, 20861), (1357, 14512), (1814, 10856), (2714, 7256), (3628, 5428)]