16911728

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{523}}^1$

素因数の和:621

約数の個数: 40

約数和(自身を含む): 34307328

約数和(自身を除く): 17395600

約数列:

[1, 2, 4, 8, 16, 43, 47, 86, 94, 172, 188, 344, 376, 523, 688, 752, 1046, 2021, 2092, 4042, 4184, 8084, 8368, 16168, 22489, 24581, 32336, 44978, 49162, 89956, 98324, 179912, 196648, 359824, 393296, 1056983, 2113966, 4227932, 8455864, 16911728]

約数ペア:

[(1, 16911728), (2, 8455864), (4, 4227932), (8, 2113966), (16, 1056983), (43, 393296), (47, 359824), (86, 196648), (94, 179912), (172, 98324), (188, 89956), (344, 49162), (376, 44978), (523, 32336), (688, 24581), (752, 22489), (1046, 16168), (2021, 8368), (2092, 8084), (4042, 4184)]