18736227

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{881}}^1$

素因数の和:1043

約数の個数: 24

約数和(自身を含む): 28894320

約数和(自身を除く): 10158093

約数列:

[1, 3, 9, 17, 51, 139, 153, 417, 881, 1251, 2363, 2643, 7089, 7929, 14977, 21267, 44931, 122459, 134793, 367377, 1102131, 2081803, 6245409, 18736227]

約数ペア:

[(1, 18736227), (3, 6245409), (9, 2081803), (17, 1102131), (51, 367377), (139, 134793), (153, 122459), (417, 44931), (881, 21267), (1251, 14977), (2363, 7929), (2643, 7089)]