19118616

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{521}}^1$

素因数の和:680

約数の個数: 64

約数和(自身を含む): 52617600

約数和(自身を除く): 33498984

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 139, 264, 278, 417, 521, 556, 834, 1042, 1112, 1529, 1563, 1668, 2084, 3058, 3126, 3336, 4168, 4587, 5731, 6116, 6252, 9174, 11462, 12232, 12504, 17193, 18348, 22924, 34386, 36696, 45848, 68772, 72419, 137544, 144838, 217257, 289676, 434514, 579352, 796609, 869028, 1593218, 1738056, 2389827, 3186436, 4779654, 6372872, 9559308, 19118616]

約数ペア:

[(1, 19118616), (2, 9559308), (3, 6372872), (4, 4779654), (6, 3186436), (8, 2389827), (11, 1738056), (12, 1593218), (22, 869028), (24, 796609), (33, 579352), (44, 434514), (66, 289676), (88, 217257), (132, 144838), (139, 137544), (264, 72419), (278, 68772), (417, 45848), (521, 36696), (556, 34386), (834, 22924), (1042, 18348), (1112, 17193), (1529, 12504), (1563, 12232), (1668, 11462), (2084, 9174), (3058, 6252), (3126, 6116), (3336, 5731), (4168, 4587)]