18692487

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4391}}^1$

素因数の和:4451

約数の個数: 24

約数和(自身を含む): 30146688

約数和(自身を除く): 11454201

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 387, 473, 1419, 4257, 4391, 13173, 39519, 48301, 144903, 188813, 434709, 566439, 1699317, 2076943, 6230829, 18692487]

約数ペア:

[(1, 18692487), (3, 6230829), (9, 2076943), (11, 1699317), (33, 566439), (43, 434709), (99, 188813), (129, 144903), (387, 48301), (473, 39519), (1419, 13173), (4257, 4391)]