2019979755

素因数分解:

$3^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{253607}}^1$

素因数の和:253680

約数の個数: 32

約数和(自身を含む): 3651955200

約数和(自身を除く): 1631975445

約数列:

[1, 3, 5, 9, 15, 27, 45, 59, 135, 177, 295, 531, 885, 1593, 2655, 7965, 253607, 760821, 1268035, 2282463, 3804105, 6847389, 11412315, 14962813, 34236945, 44888439, 74814065, 134665317, 224442195, 403995951, 673326585, 2019979755]

約数ペア:

[(1, 2019979755), (3, 673326585), (5, 403995951), (9, 224442195), (15, 134665317), (27, 74814065), (45, 44888439), (59, 34236945), (135, 14962813), (177, 11412315), (295, 6847389), (531, 3804105), (885, 2282463), (1593, 1268035), (2655, 760821), (7965, 253607)]