2019381813

素因数分解:

$3^3\times {\mathrm{419}}^1\times {\mathrm{178501}}^1$

素因数の和:178929

約数の個数: 16

約数和(自身を含む): 2998833600

約数和(自身を除く): 979451787

約数列:

[1, 3, 9, 27, 419, 1257, 3771, 11313, 178501, 535503, 1606509, 4819527, 74791919, 224375757, 673127271, 2019381813]

約数ペア:

[(1, 2019381813), (3, 673127271), (9, 224375757), (27, 74791919), (419, 4819527), (1257, 1606509), (3771, 535503), (11313, 178501)]