19938087

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8969}}^1$

素因数の和:9007

約数の個数: 24

約数和(自身を含む): 32650800

約数和(自身を除く): 12712713

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 8969, 26907, 80721, 116597, 170411, 349791, 511233, 1049373, 1533699, 2215343, 6646029, 19938087]

約数ペア:

[(1, 19938087), (3, 6646029), (9, 2215343), (13, 1533699), (19, 1049373), (39, 511233), (57, 349791), (117, 170411), (171, 116597), (247, 80721), (741, 26907), (2223, 8969)]