18243071

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{10301}}^1$

素因数の和:10342

約数の個数: 16

約数和(自身を含む): 23735808

約数和(自身を除く): 5492737

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 10301, 72107, 113311, 236923, 793177, 1658461, 2606153, 18243071]

約数ペア:

[(1, 18243071), (7, 2606153), (11, 1658461), (23, 793177), (77, 236923), (161, 113311), (253, 72107), (1771, 10301)]