2018898

素因数分解:

$2^1\times 3^3\times 7^3\times {\mathrm{109}}^1$

素因数の和:141

約数の個数: 64

約数和(自身を含む): 5280000

約数和(自身を除く): 3261102

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 109, 126, 147, 189, 218, 294, 327, 343, 378, 441, 654, 686, 763, 882, 981, 1029, 1323, 1526, 1962, 2058, 2289, 2646, 2943, 3087, 4578, 5341, 5886, 6174, 6867, 9261, 10682, 13734, 16023, 18522, 20601, 32046, 37387, 41202, 48069, 74774, 96138, 112161, 144207, 224322, 288414, 336483, 672966, 1009449, 2018898]

約数ペア:

[(1, 2018898), (2, 1009449), (3, 672966), (6, 336483), (7, 288414), (9, 224322), (14, 144207), (18, 112161), (21, 96138), (27, 74774), (42, 48069), (49, 41202), (54, 37387), (63, 32046), (98, 20601), (109, 18522), (126, 16023), (147, 13734), (189, 10682), (218, 9261), (294, 6867), (327, 6174), (343, 5886), (378, 5341), (441, 4578), (654, 3087), (686, 2943), (763, 2646), (882, 2289), (981, 2058), (1029, 1962), (1323, 1526)]