18995613

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4093}}^1$

素因数の和:4133

約数の個数: 32

約数和(自身を含む): 33014016

約数和(自身を除く): 14018403

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4093, 4641, 12279, 28651, 53209, 69581, 85953, 159627, 208743, 372463, 487067, 904553, 1117389, 1461201, 2713659, 6331871, 18995613]

約数ペア:

[(1, 18995613), (3, 6331871), (7, 2713659), (13, 1461201), (17, 1117389), (21, 904553), (39, 487067), (51, 372463), (91, 208743), (119, 159627), (221, 85953), (273, 69581), (357, 53209), (663, 28651), (1547, 12279), (4093, 4641)]