18536913

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2521}}^1$

素因数の和:2589

約数の個数: 24

約数和(自身を含む): 28851680

約数和(自身を除く): 10314767

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2451, 2521, 7353, 7563, 22689, 47899, 108403, 143697, 325209, 431091, 975627, 2059657, 6178971, 18536913]

約数ペア:

[(1, 18536913), (3, 6178971), (9, 2059657), (19, 975627), (43, 431091), (57, 325209), (129, 143697), (171, 108403), (387, 47899), (817, 22689), (2451, 7563), (2521, 7353)]