19806018

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2447}}^1$

素因数の和:2542

約数の個数: 32

約数和(自身を含む): 42301440

約数和(自身を除く): 22495422

約数列:

[1, 2, 3, 6, 19, 38, 57, 71, 114, 142, 213, 426, 1349, 2447, 2698, 4047, 4894, 7341, 8094, 14682, 46493, 92986, 139479, 173737, 278958, 347474, 521211, 1042422, 3301003, 6602006, 9903009, 19806018]

約数ペア:

[(1, 19806018), (2, 9903009), (3, 6602006), (6, 3301003), (19, 1042422), (38, 521211), (57, 347474), (71, 278958), (114, 173737), (142, 139479), (213, 92986), (426, 46493), (1349, 14682), (2447, 8094), (2698, 7341), (4047, 4894)]