18081965

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{233}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 25474176

約数和(自身を除く): 7392211

約数列:

[1, 5, 11, 17, 55, 83, 85, 187, 233, 415, 913, 935, 1165, 1411, 2563, 3961, 4565, 7055, 12815, 15521, 19339, 19805, 43571, 77605, 96695, 212729, 217855, 328763, 1063645, 1643815, 3616393, 18081965]

約数ペア:

[(1, 18081965), (5, 3616393), (11, 1643815), (17, 1063645), (55, 328763), (83, 217855), (85, 212729), (187, 96695), (233, 77605), (415, 43571), (913, 19805), (935, 19339), (1165, 15521), (1411, 12815), (2563, 7055), (3961, 4565)]