18463984

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2141}}^1$

素因数の和:2174

約数の個数: 60

約数和(自身を含む): 45418968

約数和(自身を除く): 26954984

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 308, 392, 539, 616, 784, 1078, 1232, 2141, 2156, 4282, 4312, 8564, 8624, 14987, 17128, 23551, 29974, 34256, 47102, 59948, 94204, 104909, 119896, 164857, 188408, 209818, 239792, 329714, 376816, 419636, 659428, 839272, 1153999, 1318856, 1678544, 2307998, 2637712, 4615996, 9231992, 18463984]

約数ペア:

[(1, 18463984), (2, 9231992), (4, 4615996), (7, 2637712), (8, 2307998), (11, 1678544), (14, 1318856), (16, 1153999), (22, 839272), (28, 659428), (44, 419636), (49, 376816), (56, 329714), (77, 239792), (88, 209818), (98, 188408), (112, 164857), (154, 119896), (176, 104909), (196, 94204), (308, 59948), (392, 47102), (539, 34256), (616, 29974), (784, 23551), (1078, 17128), (1232, 14987), (2141, 8624), (2156, 8564), (4282, 4312)]