18688272

素因数分解:

$2^4\times 3^1\times {\mathrm{139}}^1\times {\mathrm{2801}}^1$

素因数の和:2951

約数の個数: 40

約数和(自身を含む): 48642720

約数和(自身を除く): 29954448

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 139, 278, 417, 556, 834, 1112, 1668, 2224, 2801, 3336, 5602, 6672, 8403, 11204, 16806, 22408, 33612, 44816, 67224, 134448, 389339, 778678, 1168017, 1557356, 2336034, 3114712, 4672068, 6229424, 9344136, 18688272]

約数ペア:

[(1, 18688272), (2, 9344136), (3, 6229424), (4, 4672068), (6, 3114712), (8, 2336034), (12, 1557356), (16, 1168017), (24, 778678), (48, 389339), (139, 134448), (278, 67224), (417, 44816), (556, 33612), (834, 22408), (1112, 16806), (1668, 11204), (2224, 8403), (2801, 6672), (3336, 5602)]