19993974

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3329}}^1$

素因数の和:3365

約数の個数: 64

約数和(自身を含む): 53706240

約数和(自身を除く): 33712266

約数列:

[1, 2, 3, 6, 7, 11, 13, 14, 21, 22, 26, 33, 39, 42, 66, 77, 78, 91, 143, 154, 182, 231, 273, 286, 429, 462, 546, 858, 1001, 2002, 3003, 3329, 6006, 6658, 9987, 19974, 23303, 36619, 43277, 46606, 69909, 73238, 86554, 109857, 129831, 139818, 219714, 256333, 259662, 302939, 476047, 512666, 605878, 768999, 908817, 952094, 1428141, 1537998, 1817634, 2856282, 3332329, 6664658, 9996987, 19993974]

約数ペア:

[(1, 19993974), (2, 9996987), (3, 6664658), (6, 3332329), (7, 2856282), (11, 1817634), (13, 1537998), (14, 1428141), (21, 952094), (22, 908817), (26, 768999), (33, 605878), (39, 512666), (42, 476047), (66, 302939), (77, 259662), (78, 256333), (91, 219714), (143, 139818), (154, 129831), (182, 109857), (231, 86554), (273, 73238), (286, 69909), (429, 46606), (462, 43277), (546, 36619), (858, 23303), (1001, 19974), (2002, 9987), (3003, 6658), (3329, 6006)]