2019907813

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{397}}^1\times {\mathrm{6007}}^1$

素因数の和:6433

約数の個数: 24

約数和(自身を含む): 2544219776

約数和(自身を除く): 524311963

約数列:

[1, 7, 11, 77, 121, 397, 847, 2779, 4367, 6007, 30569, 42049, 48037, 66077, 336259, 462539, 726847, 2384779, 5087929, 16693453, 26232569, 183627983, 288558259, 2019907813]

約数ペア:

[(1, 2019907813), (7, 288558259), (11, 183627983), (77, 26232569), (121, 16693453), (397, 5087929), (847, 2384779), (2779, 726847), (4367, 462539), (6007, 336259), (30569, 66077), (42049, 48037)]