19975878

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4493}}^1$

素因数の和:4533

約数の個数: 48

約数和(自身を含む): 49074480

約数和(自身を除く): 29098602

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 57, 78, 114, 117, 171, 234, 247, 342, 494, 741, 1482, 2223, 4446, 4493, 8986, 13479, 26958, 40437, 58409, 80874, 85367, 116818, 170734, 175227, 256101, 350454, 512202, 525681, 768303, 1051362, 1109771, 1536606, 2219542, 3329313, 6658626, 9987939, 19975878]

約数ペア:

[(1, 19975878), (2, 9987939), (3, 6658626), (6, 3329313), (9, 2219542), (13, 1536606), (18, 1109771), (19, 1051362), (26, 768303), (38, 525681), (39, 512202), (57, 350454), (78, 256101), (114, 175227), (117, 170734), (171, 116818), (234, 85367), (247, 80874), (342, 58409), (494, 40437), (741, 26958), (1482, 13479), (2223, 8986), (4446, 4493)]