18724923

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 32959680

約数和(自身を除く): 14234757

約数列:

[1, 3, 7, 9, 21, 29, 37, 63, 87, 111, 203, 259, 261, 277, 333, 609, 777, 831, 1073, 1827, 1939, 2331, 2493, 3219, 5817, 7511, 8033, 9657, 10249, 17451, 22533, 24099, 30747, 56231, 67599, 71743, 72297, 92241, 168693, 215229, 297221, 506079, 645687, 891663, 2080547, 2674989, 6241641, 18724923]

約数ペア:

[(1, 18724923), (3, 6241641), (7, 2674989), (9, 2080547), (21, 891663), (29, 645687), (37, 506079), (63, 297221), (87, 215229), (111, 168693), (203, 92241), (259, 72297), (261, 71743), (277, 67599), (333, 56231), (609, 30747), (777, 24099), (831, 22533), (1073, 17451), (1827, 10249), (1939, 9657), (2331, 8033), (2493, 7511), (3219, 5817)]