18882117

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{503}}^1$

素因数の和:649

約数の個数: 24

約数和(自身を含む): 28252224

約数和(自身を除く): 9370107

約数列:

[1, 3, 9, 43, 97, 129, 291, 387, 503, 873, 1509, 4171, 4527, 12513, 21629, 37539, 48791, 64887, 146373, 194661, 439119, 2098013, 6294039, 18882117]

約数ペア:

[(1, 18882117), (3, 6294039), (9, 2098013), (43, 439119), (97, 194661), (129, 146373), (291, 64887), (387, 48791), (503, 37539), (873, 21629), (1509, 12513), (4171, 4527)]