19984176

素因数分解:

$2^4\times 3^2\times {\mathrm{107}}^1\times {\mathrm{1297}}^1$

素因数の和:1418

約数の個数: 60

約数和(自身を含む): 56494152

約数和(自身を除く): 36509976

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 107, 144, 214, 321, 428, 642, 856, 963, 1284, 1297, 1712, 1926, 2568, 2594, 3852, 3891, 5136, 5188, 7704, 7782, 10376, 11673, 15408, 15564, 20752, 23346, 31128, 46692, 62256, 93384, 138779, 186768, 277558, 416337, 555116, 832674, 1110232, 1249011, 1665348, 2220464, 2498022, 3330696, 4996044, 6661392, 9992088, 19984176]

約数ペア:

[(1, 19984176), (2, 9992088), (3, 6661392), (4, 4996044), (6, 3330696), (8, 2498022), (9, 2220464), (12, 1665348), (16, 1249011), (18, 1110232), (24, 832674), (36, 555116), (48, 416337), (72, 277558), (107, 186768), (144, 138779), (214, 93384), (321, 62256), (428, 46692), (642, 31128), (856, 23346), (963, 20752), (1284, 15564), (1297, 15408), (1712, 11673), (1926, 10376), (2568, 7782), (2594, 7704), (3852, 5188), (3891, 5136)]