19278483

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{2543}}^1$

素因数の和:2591

約数の個数: 24

約数和(自身を含む): 31016448

約数和(自身を除く): 11737965

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 2527, 2543, 7581, 7629, 17801, 48317, 53403, 144951, 338219, 918023, 1014657, 2754069, 6426161, 19278483]

約数ペア:

[(1, 19278483), (3, 6426161), (7, 2754069), (19, 1014657), (21, 918023), (57, 338219), (133, 144951), (361, 53403), (399, 48317), (1083, 17801), (2527, 7629), (2543, 7581)]