16568418

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 37324800

約数和(自身を除く): 20756382

約数列:

[1, 2, 3, 6, 19, 23, 38, 46, 57, 69, 71, 89, 114, 138, 142, 178, 213, 267, 426, 437, 534, 874, 1311, 1349, 1633, 1691, 2047, 2622, 2698, 3266, 3382, 4047, 4094, 4899, 5073, 6141, 6319, 8094, 9798, 10146, 12282, 12638, 18957, 31027, 37914, 38893, 62054, 77786, 93081, 116679, 120061, 145337, 186162, 233358, 240122, 290674, 360183, 436011, 720366, 872022, 2761403, 5522806, 8284209, 16568418]

約数ペア:

[(1, 16568418), (2, 8284209), (3, 5522806), (6, 2761403), (19, 872022), (23, 720366), (38, 436011), (46, 360183), (57, 290674), (69, 240122), (71, 233358), (89, 186162), (114, 145337), (138, 120061), (142, 116679), (178, 93081), (213, 77786), (267, 62054), (426, 38893), (437, 37914), (534, 31027), (874, 18957), (1311, 12638), (1349, 12282), (1633, 10146), (1691, 9798), (2047, 8094), (2622, 6319), (2698, 6141), (3266, 5073), (3382, 4899), (4047, 4094)]