18784692

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{947}}^1$

素因数の和:1005

約数の個数: 72

約数和(自身を含む): 51760800

約数和(自身を除く): 32976108

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 29, 36, 38, 57, 58, 76, 87, 114, 116, 171, 174, 228, 261, 342, 348, 522, 551, 684, 947, 1044, 1102, 1653, 1894, 2204, 2841, 3306, 3788, 4959, 5682, 6612, 8523, 9918, 11364, 17046, 17993, 19836, 27463, 34092, 35986, 53979, 54926, 71972, 82389, 107958, 109852, 161937, 164778, 215916, 247167, 323874, 329556, 494334, 521797, 647748, 988668, 1043594, 1565391, 2087188, 3130782, 4696173, 6261564, 9392346, 18784692]

約数ペア:

[(1, 18784692), (2, 9392346), (3, 6261564), (4, 4696173), (6, 3130782), (9, 2087188), (12, 1565391), (18, 1043594), (19, 988668), (29, 647748), (36, 521797), (38, 494334), (57, 329556), (58, 323874), (76, 247167), (87, 215916), (114, 164778), (116, 161937), (171, 109852), (174, 107958), (228, 82389), (261, 71972), (342, 54926), (348, 53979), (522, 35986), (551, 34092), (684, 27463), (947, 19836), (1044, 17993), (1102, 17046), (1653, 11364), (1894, 9918), (2204, 8523), (2841, 6612), (3306, 5682), (3788, 4959)]