18565749

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{439}}^1$

素因数の和:609

約数の個数: 24

約数和(自身を含む): 27822080

約数和(自身を除く): 9256331

約数列:

[1, 3, 9, 37, 111, 127, 333, 381, 439, 1143, 1317, 3951, 4699, 14097, 16243, 42291, 48729, 55753, 146187, 167259, 501777, 2062861, 6188583, 18565749]

約数ペア:

[(1, 18565749), (3, 6188583), (9, 2062861), (37, 501777), (111, 167259), (127, 146187), (333, 55753), (381, 48729), (439, 42291), (1143, 16243), (1317, 14097), (3951, 4699)]