18791388

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6779}}^1$

素因数の和:6807

約数の個数: 72

約数和(自身を含む): 59230080

約数和(自身を除く): 40438692

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 126, 132, 154, 198, 231, 252, 308, 396, 462, 693, 924, 1386, 2772, 6779, 13558, 20337, 27116, 40674, 47453, 61011, 74569, 81348, 94906, 122022, 142359, 149138, 189812, 223707, 244044, 284718, 298276, 427077, 447414, 521983, 569436, 671121, 854154, 894828, 1043966, 1342242, 1565949, 1708308, 2087932, 2684484, 3131898, 4697847, 6263796, 9395694, 18791388]

約数ペア:

[(1, 18791388), (2, 9395694), (3, 6263796), (4, 4697847), (6, 3131898), (7, 2684484), (9, 2087932), (11, 1708308), (12, 1565949), (14, 1342242), (18, 1043966), (21, 894828), (22, 854154), (28, 671121), (33, 569436), (36, 521983), (42, 447414), (44, 427077), (63, 298276), (66, 284718), (77, 244044), (84, 223707), (99, 189812), (126, 149138), (132, 142359), (154, 122022), (198, 94906), (231, 81348), (252, 74569), (308, 61011), (396, 47453), (462, 40674), (693, 27116), (924, 20337), (1386, 13558), (2772, 6779)]