19289439

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1459}}^1$

素因数の和:1591

約数の個数: 24

約数和(自身を含む): 30292080

約数和(自身を除く): 11002641

約数列:

[1, 3, 9, 13, 39, 113, 117, 339, 1017, 1459, 1469, 4377, 4407, 13131, 13221, 18967, 56901, 164867, 170703, 494601, 1483803, 2143271, 6429813, 19289439]

約数ペア:

[(1, 19289439), (3, 6429813), (9, 2143271), (13, 1483803), (39, 494601), (113, 170703), (117, 164867), (339, 56901), (1017, 18967), (1459, 13221), (1469, 13131), (4377, 4407)]