16980642

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:248

約数の個数: 96

約数和(自身を含む): 45601920

約数和(自身を除く): 28621278

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 41, 42, 57, 63, 82, 114, 123, 126, 133, 171, 173, 246, 266, 287, 342, 346, 369, 399, 519, 574, 738, 779, 798, 861, 1038, 1197, 1211, 1557, 1558, 1722, 2337, 2394, 2422, 2583, 3114, 3287, 3633, 4674, 5166, 5453, 6574, 7011, 7093, 7266, 9861, 10899, 10906, 14022, 14186, 16359, 19722, 21279, 21798, 23009, 29583, 32718, 42558, 46018, 49077, 49651, 59166, 63837, 69027, 98154, 99302, 127674, 134767, 138054, 148953, 207081, 269534, 297906, 404301, 414162, 446859, 808602, 893718, 943369, 1212903, 1886738, 2425806, 2830107, 5660214, 8490321, 16980642]

約数ペア:

[(1, 16980642), (2, 8490321), (3, 5660214), (6, 2830107), (7, 2425806), (9, 1886738), (14, 1212903), (18, 943369), (19, 893718), (21, 808602), (38, 446859), (41, 414162), (42, 404301), (57, 297906), (63, 269534), (82, 207081), (114, 148953), (123, 138054), (126, 134767), (133, 127674), (171, 99302), (173, 98154), (246, 69027), (266, 63837), (287, 59166), (342, 49651), (346, 49077), (369, 46018), (399, 42558), (519, 32718), (574, 29583), (738, 23009), (779, 21798), (798, 21279), (861, 19722), (1038, 16359), (1197, 14186), (1211, 14022), (1557, 10906), (1558, 10899), (1722, 9861), (2337, 7266), (2394, 7093), (2422, 7011), (2583, 6574), (3114, 5453), (3287, 5166), (3633, 4674)]