18859202217

素因数分解:

$3^4\times {\mathrm{643}}^1\times {\mathrm{362099}}^1$

素因数の和:362754

約数の個数: 20

約数和(自身を含む): 28216280400

約数和(自身を除く): 9357078183

約数列:

[1, 3, 9, 27, 81, 643, 1929, 5787, 17361, 52083, 362099, 1086297, 3258891, 9776673, 29330019, 232829657, 698488971, 2095466913, 6286400739, 18859202217]

約数ペア:

[(1, 18859202217), (3, 6286400739), (9, 2095466913), (27, 698488971), (81, 232829657), (643, 29330019), (1929, 9776673), (5787, 3258891), (17361, 1086297), (52083, 362099)]