18671317

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{853}}^1$

素因数の和:972

約数の個数: 16

約数和(自身を含む): 22135680

約数和(自身を除く): 3464363

約数列:

[1, 7, 53, 59, 371, 413, 853, 3127, 5971, 21889, 45209, 50327, 316463, 352289, 2667331, 18671317]

約数ペア:

[(1, 18671317), (7, 2667331), (53, 352289), (59, 316463), (371, 50327), (413, 45209), (853, 21889), (3127, 5971)]