18866001

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{81671}}^1$

素因数の和:81692

約数の個数: 16

約数和(自身を含む): 31362048

約数和(自身を除く): 12496047

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 81671, 245013, 571697, 898381, 1715091, 2695143, 6288667, 18866001]

約数ペア:

[(1, 18866001), (3, 6288667), (7, 2695143), (11, 1715091), (21, 898381), (33, 571697), (77, 245013), (231, 81671)]