18880452387

素因数分解:

$3^2\times {\mathrm{211}}^1\times {\mathrm{3001}}^1\times {\mathrm{3313}}^1$

素因数の和:6531

約数の個数: 24

約数和(自身を含む): 27418418768

約数和(自身を除く): 8537966381

約数列:

[1, 3, 9, 211, 633, 1899, 3001, 3313, 9003, 9939, 27009, 29817, 633211, 699043, 1899633, 2097129, 5698899, 6291387, 9942313, 29826939, 89480817, 2097828043, 6293484129, 18880452387]

約数ペア:

[(1, 18880452387), (3, 6293484129), (9, 2097828043), (211, 89480817), (633, 29826939), (1899, 9942313), (3001, 6291387), (3313, 5698899), (9003, 2097129), (9939, 1899633), (27009, 699043), (29817, 633211)]