18078788

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{49667}}^1$

素因数の和:49691

約数の個数: 24

約数和(自身を含む): 38939712

約数和(自身を除く): 20860924

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 49667, 99334, 198668, 347669, 645671, 695338, 1291342, 1390676, 2582684, 4519697, 9039394, 18078788]

約数ペア:

[(1, 18078788), (2, 9039394), (4, 4519697), (7, 2582684), (13, 1390676), (14, 1291342), (26, 695338), (28, 645671), (52, 347669), (91, 198668), (182, 99334), (364, 49667)]