18824877

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{389}}^1$

素因数の和:697

約数の個数: 24

約数和(自身を含む): 28797600

約数和(自身を除く): 9972723

約数列:

[1, 3, 9, 19, 57, 171, 283, 389, 849, 1167, 2547, 3501, 5377, 7391, 16131, 22173, 48393, 66519, 110087, 330261, 990783, 2091653, 6274959, 18824877]

約数ペア:

[(1, 18824877), (3, 6274959), (9, 2091653), (19, 990783), (57, 330261), (171, 110087), (283, 66519), (389, 48393), (849, 22173), (1167, 16131), (2547, 7391), (3501, 5377)]