18480861

素因数分解:

$3^2\times 7^1\times {\mathrm{233}}^1\times {\mathrm{1259}}^1$

素因数の和:1505

約数の個数: 24

約数和(自身を含む): 30663360

約数和(自身を除く): 12182499

約数列:

[1, 3, 7, 9, 21, 63, 233, 699, 1259, 1631, 2097, 3777, 4893, 8813, 11331, 14679, 26439, 79317, 293347, 880041, 2053429, 2640123, 6160287, 18480861]

約数ペア:

[(1, 18480861), (3, 6160287), (7, 2640123), (9, 2053429), (21, 880041), (63, 293347), (233, 79317), (699, 26439), (1259, 14679), (1631, 11331), (2097, 8813), (3777, 4893)]