19627209

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{863}}^1$

素因数の和:914

約数の個数: 36

約数和(自身を含む): 34235136

約数和(自身を除く): 14607927

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 361, 399, 863, 1083, 1197, 2527, 2589, 3249, 6041, 7581, 7767, 16397, 18123, 22743, 49191, 54369, 114779, 147573, 311543, 344337, 934629, 1033011, 2180801, 2803887, 6542403, 19627209]

約数ペア:

[(1, 19627209), (3, 6542403), (7, 2803887), (9, 2180801), (19, 1033011), (21, 934629), (57, 344337), (63, 311543), (133, 147573), (171, 114779), (361, 54369), (399, 49191), (863, 22743), (1083, 18123), (1197, 16397), (2527, 7767), (2589, 7581), (3249, 6041)]