18810873

素因数分解:

$3^5\times {\mathrm{199}}^1\times {\mathrm{389}}^1$

素因数の和:603

約数の個数: 24

約数和(自身を含む): 28392000

約数和(自身を除く): 9581127

約数列:

[1, 3, 9, 27, 81, 199, 243, 389, 597, 1167, 1791, 3501, 5373, 10503, 16119, 31509, 48357, 77411, 94527, 232233, 696699, 2090097, 6270291, 18810873]

約数ペア:

[(1, 18810873), (3, 6270291), (9, 2090097), (27, 696699), (81, 232233), (199, 94527), (243, 77411), (389, 48357), (597, 31509), (1167, 16119), (1791, 10503), (3501, 5373)]