19142871

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1$

素因数の和:367

約数の個数: 32

約数和(自身を含む): 29272320

約数和(自身を除く): 10129449

約数列:

[1, 3, 11, 29, 33, 83, 87, 241, 249, 319, 723, 913, 957, 2407, 2651, 2739, 6989, 7221, 7953, 20003, 20967, 26477, 60009, 76879, 79431, 220033, 230637, 580087, 660099, 1740261, 6380957, 19142871]

約数ペア:

[(1, 19142871), (3, 6380957), (11, 1740261), (29, 660099), (33, 580087), (83, 230637), (87, 220033), (241, 79431), (249, 76879), (319, 60009), (723, 26477), (913, 20967), (957, 20003), (2407, 7953), (2651, 7221), (2739, 6989)]