19737487

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{8839}}^1$

素因数の和:8886

約数の個数: 16

約数和(自身を含む): 25459200

約数和(自身を除く): 5721713

約数列:

[1, 7, 11, 29, 77, 203, 319, 2233, 8839, 61873, 97229, 256331, 680603, 1794317, 2819641, 19737487]

約数ペア:

[(1, 19737487), (7, 2819641), (11, 1794317), (29, 680603), (77, 256331), (203, 97229), (319, 61873), (2233, 8839)]