19851447

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4523}}^1$

素因数の和:4563

約数の個数: 32

約数和(自身を含む): 34744320

約数和(自身を除く): 14892873

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463, 4389, 4523, 13569, 31661, 49753, 85937, 94983, 149259, 257811, 348271, 601559, 945307, 1044813, 1804677, 2835921, 6617149, 19851447]

約数ペア:

[(1, 19851447), (3, 6617149), (7, 2835921), (11, 1804677), (19, 1044813), (21, 945307), (33, 601559), (57, 348271), (77, 257811), (133, 149259), (209, 94983), (231, 85937), (399, 49753), (627, 31661), (1463, 13569), (4389, 4523)]