19214943

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:283

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 9815457

約数列:

[1, 3, 11, 33, 59, 71, 139, 177, 213, 417, 649, 781, 1529, 1947, 2343, 4189, 4587, 8201, 9869, 12567, 24603, 29607, 46079, 90211, 108559, 138237, 270633, 325677, 582271, 1746813, 6404981, 19214943]

約数ペア:

[(1, 19214943), (3, 6404981), (11, 1746813), (33, 582271), (59, 325677), (71, 270633), (139, 138237), (177, 108559), (213, 90211), (417, 46079), (649, 29607), (781, 24603), (1529, 12567), (1947, 9869), (2343, 8201), (4189, 4587)]