18764438

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:114

約数の個数: 64

約数和(自身を含む): 37946880

約数和(自身を除く): 19182442

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 53, 77, 106, 121, 133, 154, 209, 242, 266, 371, 418, 583, 742, 847, 1007, 1166, 1331, 1463, 1694, 2014, 2299, 2662, 2926, 4081, 4598, 6413, 7049, 8162, 9317, 11077, 12826, 14098, 16093, 18634, 22154, 25289, 32186, 44891, 50578, 70543, 77539, 89782, 121847, 141086, 155078, 177023, 243694, 354046, 493801, 852929, 987602, 1340317, 1705858, 2680634, 9382219, 18764438]

約数ペア:

[(1, 18764438), (2, 9382219), (7, 2680634), (11, 1705858), (14, 1340317), (19, 987602), (22, 852929), (38, 493801), (53, 354046), (77, 243694), (106, 177023), (121, 155078), (133, 141086), (154, 121847), (209, 89782), (242, 77539), (266, 70543), (371, 50578), (418, 44891), (583, 32186), (742, 25289), (847, 22154), (1007, 18634), (1166, 16093), (1331, 14098), (1463, 12826), (1694, 11077), (2014, 9317), (2299, 8162), (2662, 7049), (2926, 6413), (4081, 4598)]