18638774

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{953}}^1$

素因数の和:1100

約数の個数: 32

約数和(自身を含む): 35168256

約数和(自身を除く): 16529482

約数列:

[1, 2, 7, 11, 14, 22, 77, 127, 154, 254, 889, 953, 1397, 1778, 1906, 2794, 6671, 9779, 10483, 13342, 19558, 20966, 73381, 121031, 146762, 242062, 847217, 1331341, 1694434, 2662682, 9319387, 18638774]

約数ペア:

[(1, 18638774), (2, 9319387), (7, 2662682), (11, 1694434), (14, 1331341), (22, 847217), (77, 242062), (127, 146762), (154, 121031), (254, 73381), (889, 20966), (953, 19558), (1397, 13342), (1778, 10483), (1906, 9779), (2794, 6671)]