19840656

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{709}}^1$

素因数の和:784

約数の個数: 80

約数和(自身を含む): 57049920

約数和(自身を除く): 37209264

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 53, 66, 88, 106, 132, 159, 176, 212, 264, 318, 424, 528, 583, 636, 709, 848, 1166, 1272, 1418, 1749, 2127, 2332, 2544, 2836, 3498, 4254, 4664, 5672, 6996, 7799, 8508, 9328, 11344, 13992, 15598, 17016, 23397, 27984, 31196, 34032, 37577, 46794, 62392, 75154, 93588, 112731, 124784, 150308, 187176, 225462, 300616, 374352, 413347, 450924, 601232, 826694, 901848, 1240041, 1653388, 1803696, 2480082, 3306776, 4960164, 6613552, 9920328, 19840656]

約数ペア:

[(1, 19840656), (2, 9920328), (3, 6613552), (4, 4960164), (6, 3306776), (8, 2480082), (11, 1803696), (12, 1653388), (16, 1240041), (22, 901848), (24, 826694), (33, 601232), (44, 450924), (48, 413347), (53, 374352), (66, 300616), (88, 225462), (106, 187176), (132, 150308), (159, 124784), (176, 112731), (212, 93588), (264, 75154), (318, 62392), (424, 46794), (528, 37577), (583, 34032), (636, 31196), (709, 27984), (848, 23397), (1166, 17016), (1272, 15598), (1418, 13992), (1749, 11344), (2127, 9328), (2332, 8508), (2544, 7799), (2836, 6996), (3498, 5672), (4254, 4664)]