19993122

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{751}}^1$

素因数の和:808

約数の個数: 64

約数和(自身を含む): 48729600

約数和(自身を除く): 28736478

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 29, 34, 51, 54, 58, 87, 102, 153, 174, 261, 306, 459, 493, 522, 751, 783, 918, 986, 1479, 1502, 1566, 2253, 2958, 4437, 4506, 6759, 8874, 12767, 13311, 13518, 20277, 21779, 25534, 26622, 38301, 40554, 43558, 65337, 76602, 114903, 130674, 196011, 229806, 344709, 370243, 392022, 588033, 689418, 740486, 1110729, 1176066, 2221458, 3332187, 6664374, 9996561, 19993122]

約数ペア:

[(1, 19993122), (2, 9996561), (3, 6664374), (6, 3332187), (9, 2221458), (17, 1176066), (18, 1110729), (27, 740486), (29, 689418), (34, 588033), (51, 392022), (54, 370243), (58, 344709), (87, 229806), (102, 196011), (153, 130674), (174, 114903), (261, 76602), (306, 65337), (459, 43558), (493, 40554), (522, 38301), (751, 26622), (783, 25534), (918, 21779), (986, 20277), (1479, 13518), (1502, 13311), (1566, 12767), (2253, 8874), (2958, 6759), (4437, 4506)]