18313371

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{2113}}^1$

素因数の和:2232

約数の個数: 20

約数和(自身を含む): 27625752

約数和(自身を除く): 9312381

約数列:

[1, 3, 9, 27, 81, 107, 321, 963, 2113, 2889, 6339, 8667, 19017, 57051, 171153, 226091, 678273, 2034819, 6104457, 18313371]

約数ペア:

[(1, 18313371), (3, 6104457), (9, 2034819), (27, 678273), (81, 226091), (107, 171153), (321, 57051), (963, 19017), (2113, 8667), (2889, 6339)]