39720906

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:180

約数の個数: 96

約数和(自身を含む): 96507840

約数和(自身を除く): 56786934

約数列:

[1, 2, 3, 6, 9, 18, 19, 37, 38, 43, 57, 73, 74, 86, 111, 114, 129, 146, 171, 219, 222, 258, 333, 342, 387, 438, 657, 666, 703, 774, 817, 1314, 1387, 1406, 1591, 1634, 2109, 2451, 2701, 2774, 3139, 3182, 4161, 4218, 4773, 4902, 5402, 6278, 6327, 7353, 8103, 8322, 9417, 9546, 12483, 12654, 14319, 14706, 16206, 18834, 24309, 24966, 28251, 28638, 30229, 48618, 51319, 56502, 59641, 60458, 90687, 102638, 116143, 119282, 153957, 178923, 181374, 232286, 272061, 307914, 348429, 357846, 461871, 536769, 544122, 696858, 923742, 1045287, 1073538, 2090574, 2206717, 4413434, 6620151, 13240302, 19860453, 39720906]

約数ペア:

[(1, 39720906), (2, 19860453), (3, 13240302), (6, 6620151), (9, 4413434), (18, 2206717), (19, 2090574), (37, 1073538), (38, 1045287), (43, 923742), (57, 696858), (73, 544122), (74, 536769), (86, 461871), (111, 357846), (114, 348429), (129, 307914), (146, 272061), (171, 232286), (219, 181374), (222, 178923), (258, 153957), (333, 119282), (342, 116143), (387, 102638), (438, 90687), (657, 60458), (666, 59641), (703, 56502), (774, 51319), (817, 48618), (1314, 30229), (1387, 28638), (1406, 28251), (1591, 24966), (1634, 24309), (2109, 18834), (2451, 16206), (2701, 14706), (2774, 14319), (3139, 12654), (3182, 12483), (4161, 9546), (4218, 9417), (4773, 8322), (4902, 8103), (5402, 7353), (6278, 6327)]