18171923

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12421}}^1$

素因数の和:12458

約数の個数: 16

約数和(自身を含む): 23850240

約数和(自身を除く): 5678317

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 12421, 86947, 136631, 235999, 956417, 1651993, 2595989, 18171923]

約数ペア:

[(1, 18171923), (7, 2595989), (11, 1651993), (19, 956417), (77, 235999), (133, 136631), (209, 86947), (1463, 12421)]