18468103689

素因数分解:

$3^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{1280107}}^1$

素因数の和:1280349

約数の個数: 24

約数和(自身を含む): 30620183360

約数和(自身を除く): 12152079671

約数列:

[1, 3, 7, 9, 21, 63, 229, 687, 1603, 2061, 4809, 14427, 1280107, 3840321, 8960749, 11520963, 26882247, 80646741, 293144503, 879433509, 2052011521, 2638300527, 6156034563, 18468103689]

約数ペア:

[(1, 18468103689), (3, 6156034563), (7, 2638300527), (9, 2052011521), (21, 879433509), (63, 293144503), (229, 80646741), (687, 26882247), (1603, 11520963), (2061, 8960749), (4809, 3840321), (14427, 1280107)]