19289907

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2617}}^1$

素因数の和:2649

約数の個数: 40

約数和(自身を含む): 35479136

約数和(自身を除く): 16189229

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2457, 2617, 7371, 7851, 18319, 23553, 34021, 54957, 70659, 102063, 164871, 211977, 238147, 306189, 494613, 714441, 918567, 1483839, 2143323, 2755701, 6429969, 19289907]

約数ペア:

[(1, 19289907), (3, 6429969), (7, 2755701), (9, 2143323), (13, 1483839), (21, 918567), (27, 714441), (39, 494613), (63, 306189), (81, 238147), (91, 211977), (117, 164871), (189, 102063), (273, 70659), (351, 54957), (567, 34021), (819, 23553), (1053, 18319), (2457, 7851), (2617, 7371)]