2018814903

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{449}}^1$

素因数の和:621

約数の個数: 96

約数和(自身を含む): 3639168000

約数和(自身を除く): 1620353097

約数列:

[1, 3, 7, 9, 21, 23, 29, 63, 69, 87, 107, 161, 203, 207, 261, 321, 449, 483, 609, 667, 749, 963, 1347, 1449, 1827, 2001, 2247, 2461, 3103, 3143, 4041, 4669, 6003, 6741, 7383, 9309, 9429, 10327, 13021, 14007, 17227, 21721, 22149, 27927, 28287, 30981, 39063, 42021, 48043, 51681, 65163, 71369, 72289, 91147, 92943, 117189, 144129, 155043, 195489, 214107, 216867, 273441, 299483, 336301, 432387, 499583, 642321, 650601, 820323, 898449, 1008903, 1104989, 1393247, 1498749, 2096381, 2695347, 3026709, 3314967, 4179741, 4496247, 6289143, 7734923, 9752729, 9944901, 12539223, 18867429, 23204769, 29258187, 32044681, 69614307, 87774561, 96134043, 224312767, 288402129, 672938301, 2018814903]

約数ペア:

[(1, 2018814903), (3, 672938301), (7, 288402129), (9, 224312767), (21, 96134043), (23, 87774561), (29, 69614307), (63, 32044681), (69, 29258187), (87, 23204769), (107, 18867429), (161, 12539223), (203, 9944901), (207, 9752729), (261, 7734923), (321, 6289143), (449, 4496247), (483, 4179741), (609, 3314967), (667, 3026709), (749, 2695347), (963, 2096381), (1347, 1498749), (1449, 1393247), (1827, 1104989), (2001, 1008903), (2247, 898449), (2461, 820323), (3103, 650601), (3143, 642321), (4041, 499583), (4669, 432387), (6003, 336301), (6741, 299483), (7383, 273441), (9309, 216867), (9429, 214107), (10327, 195489), (13021, 155043), (14007, 144129), (17227, 117189), (21721, 92943), (22149, 91147), (27927, 72289), (28287, 71369), (30981, 65163), (39063, 51681), (42021, 48043)]