18286807

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 24182784

約数和(自身を除く): 5895977

約数列:

[1, 7, 11, 31, 47, 77, 163, 217, 329, 341, 517, 1141, 1457, 1793, 2387, 3619, 5053, 7661, 10199, 12551, 16027, 35371, 53627, 55583, 84271, 112189, 237491, 389081, 589897, 1662437, 2612401, 18286807]

約数ペア:

[(1, 18286807), (7, 2612401), (11, 1662437), (31, 589897), (47, 389081), (77, 237491), (163, 112189), (217, 84271), (329, 55583), (341, 53627), (517, 35371), (1141, 16027), (1457, 12551), (1793, 10199), (2387, 7661), (3619, 5053)]