18219681

素因数分解:

$3^3\times {\mathrm{191}}^1\times {\mathrm{3533}}^1$

素因数の和:3733

約数の個数: 16

約数和(自身を含む): 27141120

約数和(自身を除く): 8921439

約数列:

[1, 3, 9, 27, 191, 573, 1719, 3533, 5157, 10599, 31797, 95391, 674803, 2024409, 6073227, 18219681]

約数ペア:

[(1, 18219681), (3, 6073227), (9, 2024409), (27, 674803), (191, 95391), (573, 31797), (1719, 10599), (3533, 5157)]