16516985

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{127}}^1$

素因数の和:225

約数の個数: 24

約数和(自身を含む): 21611520

約数和(自身を除く): 5094535

約数列:

[1, 5, 19, 37, 95, 127, 185, 635, 703, 1369, 2413, 3515, 4699, 6845, 12065, 23495, 26011, 89281, 130055, 173863, 446405, 869315, 3303397, 16516985]

約数ペア:

[(1, 16516985), (5, 3303397), (19, 869315), (37, 446405), (95, 173863), (127, 130055), (185, 89281), (635, 26011), (703, 23495), (1369, 12065), (2413, 6845), (3515, 4699)]