18181347

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{647}}^1$

素因数の和:715

約数の個数: 32

約数和(自身を含む): 27993600

約数和(自身を除く): 9812253

約数列:

[1, 3, 17, 19, 29, 51, 57, 87, 323, 493, 551, 647, 969, 1479, 1653, 1941, 9367, 10999, 12293, 18763, 28101, 32997, 36879, 56289, 208981, 318971, 356497, 626943, 956913, 1069491, 6060449, 18181347]

約数ペア:

[(1, 18181347), (3, 6060449), (17, 1069491), (19, 956913), (29, 626943), (51, 356497), (57, 318971), (87, 208981), (323, 56289), (493, 36879), (551, 32997), (647, 28101), (969, 18763), (1479, 12293), (1653, 10999), (1941, 9367)]