18013807

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{881}}^1$

素因数の和:1038

約数の個数: 16

約数和(自身を含む): 21676032

約数和(自身を除く): 3662225

約数列:

[1, 7, 23, 127, 161, 881, 889, 2921, 6167, 20263, 20447, 111887, 141841, 783209, 2573401, 18013807]

約数ペア:

[(1, 18013807), (7, 2573401), (23, 783209), (127, 141841), (161, 111887), (881, 20447), (889, 20263), (2921, 6167)]