18945388

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61511}}^1$

素因数の和:61533

約数の個数: 24

約数和(自身を含む): 41336064

約数和(自身を除く): 22390676

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 61511, 123022, 246044, 430577, 676621, 861154, 1353242, 1722308, 2706484, 4736347, 9472694, 18945388]

約数ペア:

[(1, 18945388), (2, 9472694), (4, 4736347), (7, 2706484), (11, 1722308), (14, 1353242), (22, 861154), (28, 676621), (44, 430577), (77, 246044), (154, 123022), (308, 61511)]