18989208

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1$

素因数の和:702

約数の個数: 128

約数和(自身を含む): 63552000

約数和(自身を除く): 44562792

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 27, 28, 36, 38, 42, 54, 56, 57, 63, 72, 76, 84, 108, 114, 126, 133, 152, 168, 171, 189, 216, 228, 252, 266, 342, 378, 399, 456, 504, 513, 532, 661, 684, 756, 798, 1026, 1064, 1197, 1322, 1368, 1512, 1596, 1983, 2052, 2394, 2644, 3192, 3591, 3966, 4104, 4627, 4788, 5288, 5949, 7182, 7932, 9254, 9576, 11898, 12559, 13881, 14364, 15864, 17847, 18508, 23796, 25118, 27762, 28728, 35694, 37016, 37677, 41643, 47592, 50236, 55524, 71388, 75354, 83286, 87913, 100472, 111048, 113031, 124929, 142776, 150708, 166572, 175826, 226062, 249858, 263739, 301416, 333144, 339093, 351652, 452124, 499716, 527478, 678186, 703304, 791217, 904248, 999432, 1054956, 1356372, 1582434, 2109912, 2373651, 2712744, 3164868, 4747302, 6329736, 9494604, 18989208]

約数ペア:

[(1, 18989208), (2, 9494604), (3, 6329736), (4, 4747302), (6, 3164868), (7, 2712744), (8, 2373651), (9, 2109912), (12, 1582434), (14, 1356372), (18, 1054956), (19, 999432), (21, 904248), (24, 791217), (27, 703304), (28, 678186), (36, 527478), (38, 499716), (42, 452124), (54, 351652), (56, 339093), (57, 333144), (63, 301416), (72, 263739), (76, 249858), (84, 226062), (108, 175826), (114, 166572), (126, 150708), (133, 142776), (152, 124929), (168, 113031), (171, 111048), (189, 100472), (216, 87913), (228, 83286), (252, 75354), (266, 71388), (342, 55524), (378, 50236), (399, 47592), (456, 41643), (504, 37677), (513, 37016), (532, 35694), (661, 28728), (684, 27762), (756, 25118), (798, 23796), (1026, 18508), (1064, 17847), (1197, 15864), (1322, 14364), (1368, 13881), (1512, 12559), (1596, 11898), (1983, 9576), (2052, 9254), (2394, 7932), (2644, 7182), (3192, 5949), (3591, 5288), (3966, 4788), (4104, 4627)]