18381465

素因数分解:

$3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2897}}^1$

素因数の和:2958

約数の個数: 32

約数和(自身を含む): 33384960

約数和(自身を除く): 15003495

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 135, 141, 235, 423, 705, 1269, 2115, 2897, 6345, 8691, 14485, 26073, 43455, 78219, 130365, 136159, 391095, 408477, 680795, 1225431, 2042385, 3676293, 6127155, 18381465]

約数ペア:

[(1, 18381465), (3, 6127155), (5, 3676293), (9, 2042385), (15, 1225431), (27, 680795), (45, 408477), (47, 391095), (135, 136159), (141, 130365), (235, 78219), (423, 43455), (705, 26073), (1269, 14485), (2115, 8691), (2897, 6345)]