19837974

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{607}}^1$

素因数の和:1044

約数の個数: 32

約数和(自身を含む): 42900480

約数和(自身を除く): 23062506

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 419, 607, 838, 1214, 1257, 1821, 2514, 3642, 5447, 7891, 10894, 15782, 16341, 23673, 32682, 47346, 254333, 508666, 762999, 1525998, 3306329, 6612658, 9918987, 19837974]

約数ペア:

[(1, 19837974), (2, 9918987), (3, 6612658), (6, 3306329), (13, 1525998), (26, 762999), (39, 508666), (78, 254333), (419, 47346), (607, 32682), (838, 23673), (1214, 16341), (1257, 15782), (1821, 10894), (2514, 7891), (3642, 5447)]