18522868

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{337}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 40278784

約数和(自身を除く): 21755916

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 151, 182, 302, 337, 364, 604, 674, 1057, 1348, 1963, 2114, 2359, 3926, 4228, 4381, 4718, 7852, 8762, 9436, 13741, 17524, 27482, 30667, 50887, 54964, 61334, 101774, 122668, 203548, 356209, 661531, 712418, 1323062, 1424836, 2646124, 4630717, 9261434, 18522868]

約数ペア:

[(1, 18522868), (2, 9261434), (4, 4630717), (7, 2646124), (13, 1424836), (14, 1323062), (26, 712418), (28, 661531), (52, 356209), (91, 203548), (151, 122668), (182, 101774), (302, 61334), (337, 54964), (364, 50887), (604, 30667), (674, 27482), (1057, 17524), (1348, 13741), (1963, 9436), (2114, 8762), (2359, 7852), (3926, 4718), (4228, 4381)]