18747414

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:266

約数の個数: 96

約数和(自身を含む): 50319360

約数和(自身を除く): 31571946

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 41, 42, 57, 63, 82, 114, 123, 126, 133, 171, 191, 246, 266, 287, 342, 369, 382, 399, 573, 574, 738, 779, 798, 861, 1146, 1197, 1337, 1558, 1719, 1722, 2337, 2394, 2583, 2674, 3438, 3629, 4011, 4674, 5166, 5453, 7011, 7258, 7831, 8022, 10887, 10906, 12033, 14022, 15662, 16359, 21774, 23493, 24066, 25403, 32661, 32718, 46986, 49077, 50806, 54817, 65322, 70479, 76209, 98154, 109634, 140958, 148789, 152418, 164451, 228627, 297578, 328902, 446367, 457254, 493353, 892734, 986706, 1041523, 1339101, 2083046, 2678202, 3124569, 6249138, 9373707, 18747414]

約数ペア:

[(1, 18747414), (2, 9373707), (3, 6249138), (6, 3124569), (7, 2678202), (9, 2083046), (14, 1339101), (18, 1041523), (19, 986706), (21, 892734), (38, 493353), (41, 457254), (42, 446367), (57, 328902), (63, 297578), (82, 228627), (114, 164451), (123, 152418), (126, 148789), (133, 140958), (171, 109634), (191, 98154), (246, 76209), (266, 70479), (287, 65322), (342, 54817), (369, 50806), (382, 49077), (399, 46986), (573, 32718), (574, 32661), (738, 25403), (779, 24066), (798, 23493), (861, 21774), (1146, 16359), (1197, 15662), (1337, 14022), (1558, 12033), (1719, 10906), (1722, 10887), (2337, 8022), (2394, 7831), (2583, 7258), (2674, 7011), (3438, 5453), (3629, 5166), (4011, 4674)]