19738649

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{4483}}^1$

素因数の和:4544

約数の個数: 16

約数和(自身を含む): 24536448

約数和(自身を除く): 4797799

約数列:

[1, 7, 17, 37, 119, 259, 629, 4403, 4483, 31381, 76211, 165871, 533477, 1161097, 2819807, 19738649]

約数ペア:

[(1, 19738649), (7, 2819807), (17, 1161097), (37, 533477), (119, 165871), (259, 76211), (629, 31381), (4403, 4483)]