19740753

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:259

約数の個数: 40

約数和(自身を含む): 31595520

約数和(自身を除く): 11854767

約数列:

[1, 3, 9, 19, 27, 57, 81, 101, 127, 171, 303, 381, 513, 909, 1143, 1539, 1919, 2413, 2727, 3429, 5757, 7239, 8181, 10287, 12827, 17271, 21717, 38481, 51813, 65151, 115443, 155439, 195453, 243713, 346329, 731139, 1038987, 2193417, 6580251, 19740753]

約数ペア:

[(1, 19740753), (3, 6580251), (9, 2193417), (19, 1038987), (27, 731139), (57, 346329), (81, 243713), (101, 195453), (127, 155439), (171, 115443), (303, 65151), (381, 51813), (513, 38481), (909, 21717), (1143, 17271), (1539, 12827), (1919, 10287), (2413, 8181), (2727, 7239), (3429, 5757)]