18827347

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{757}}^1$

素因数の和:811

約数の個数: 32

約数和(自身を含む): 26196480

約数和(自身を除く): 7369133

約数列:

[1, 7, 11, 17, 19, 77, 119, 133, 187, 209, 323, 757, 1309, 1463, 2261, 3553, 5299, 8327, 12869, 14383, 24871, 58289, 90083, 100681, 141559, 158213, 244511, 990913, 1107491, 1711577, 2689621, 18827347]

約数ペア:

[(1, 18827347), (7, 2689621), (11, 1711577), (17, 1107491), (19, 990913), (77, 244511), (119, 158213), (133, 141559), (187, 100681), (209, 90083), (323, 58289), (757, 24871), (1309, 14383), (1463, 12869), (2261, 8327), (3553, 5299)]