18884205

素因数分解:

$3^3\times 5^1\times {\mathrm{139883}}^1$

素因数の和:139897

約数の個数: 16

約数和(自身を含む): 33572160

約数和(自身を除く): 14687955

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 139883, 419649, 699415, 1258947, 2098245, 3776841, 6294735, 18884205]

約数ペア:

[(1, 18884205), (3, 6294735), (5, 3776841), (9, 2098245), (15, 1258947), (27, 699415), (45, 419649), (135, 139883)]