2019918131

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{34381}}^1$

素因数の和:34515

約数の個数: 24

約数和(自身を含む): 2586901680

約数和(自身を除く): 566983549

約数列:

[1, 7, 11, 49, 77, 109, 539, 763, 1199, 5341, 8393, 34381, 58751, 240667, 378191, 1684669, 2647337, 3747529, 18531359, 26232703, 41222819, 183628921, 288559733, 2019918131]

約数ペア:

[(1, 2019918131), (7, 288559733), (11, 183628921), (49, 41222819), (77, 26232703), (109, 18531359), (539, 3747529), (763, 2647337), (1199, 1684669), (5341, 378191), (8393, 240667), (34381, 58751)]