18869145

素因数分解:

$3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{5641}}^1$

素因数の和:5872

約数の個数: 16

約数和(自身を含む): 30331392

約数和(自身を除く): 11462247

約数列:

[1, 3, 5, 15, 223, 669, 1115, 3345, 5641, 16923, 28205, 84615, 1257943, 3773829, 6289715, 18869145]

約数ペア:

[(1, 18869145), (3, 6289715), (5, 3773829), (15, 1257943), (223, 84615), (669, 28205), (1115, 16923), (3345, 5641)]