19380009

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{4483}}^1$

素因数の和:4628

約数の個数: 16

約数和(自身を含む): 28410624

約数和(自身を除く): 9030615

約数列:

[1, 3, 11, 33, 131, 393, 1441, 4323, 4483, 13449, 49313, 147939, 587273, 1761819, 6460003, 19380009]

約数ペア:

[(1, 19380009), (3, 6460003), (11, 1761819), (33, 587273), (131, 147939), (393, 49313), (1441, 13449), (4323, 4483)]