19565145

素因数分解:

$3^5\times 5^1\times {\mathrm{16103}}^1$

素因数の和:16123

約数の個数: 24

約数和(自身を含む): 35171136

約数和(自身を除く): 15605991

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 16103, 48309, 80515, 144927, 241545, 434781, 724635, 1304343, 2173905, 3913029, 6521715, 19565145]

約数ペア:

[(1, 19565145), (3, 6521715), (5, 3913029), (9, 2173905), (15, 1304343), (27, 724635), (45, 434781), (81, 241545), (135, 144927), (243, 80515), (405, 48309), (1215, 16103)]