18467988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:138

約数の個数: 144

約数和(自身を含む): 57200640

約数和(自身を除く): 38732652

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 23, 28, 33, 42, 44, 46, 66, 69, 77, 79, 84, 92, 121, 132, 138, 154, 158, 161, 231, 237, 242, 253, 276, 308, 316, 322, 363, 462, 474, 483, 484, 506, 553, 644, 726, 759, 847, 869, 924, 948, 966, 1012, 1106, 1452, 1518, 1659, 1694, 1738, 1771, 1817, 1932, 2212, 2541, 2607, 2783, 3036, 3318, 3388, 3476, 3542, 3634, 5082, 5214, 5313, 5451, 5566, 6083, 6636, 7084, 7268, 8349, 9559, 10164, 10428, 10626, 10902, 11132, 12166, 12719, 16698, 18249, 19118, 19481, 19987, 21252, 21804, 24332, 25438, 28677, 33396, 36498, 38157, 38236, 38962, 39974, 50876, 57354, 58443, 59961, 66913, 72996, 76314, 77924, 79948, 114708, 116886, 119922, 133826, 139909, 152628, 200739, 219857, 233772, 239844, 267652, 279818, 401478, 419727, 439714, 559636, 659571, 802956, 839454, 879428, 1319142, 1538999, 1678908, 2638284, 3077998, 4616997, 6155996, 9233994, 18467988]

約数ペア:

[(1, 18467988), (2, 9233994), (3, 6155996), (4, 4616997), (6, 3077998), (7, 2638284), (11, 1678908), (12, 1538999), (14, 1319142), (21, 879428), (22, 839454), (23, 802956), (28, 659571), (33, 559636), (42, 439714), (44, 419727), (46, 401478), (66, 279818), (69, 267652), (77, 239844), (79, 233772), (84, 219857), (92, 200739), (121, 152628), (132, 139909), (138, 133826), (154, 119922), (158, 116886), (161, 114708), (231, 79948), (237, 77924), (242, 76314), (253, 72996), (276, 66913), (308, 59961), (316, 58443), (322, 57354), (363, 50876), (462, 39974), (474, 38962), (483, 38236), (484, 38157), (506, 36498), (553, 33396), (644, 28677), (726, 25438), (759, 24332), (847, 21804), (869, 21252), (924, 19987), (948, 19481), (966, 19118), (1012, 18249), (1106, 16698), (1452, 12719), (1518, 12166), (1659, 11132), (1694, 10902), (1738, 10626), (1771, 10428), (1817, 10164), (1932, 9559), (2212, 8349), (2541, 7268), (2607, 7084), (2783, 6636), (3036, 6083), (3318, 5566), (3388, 5451), (3476, 5313), (3542, 5214), (3634, 5082)]