18408397

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2269}}^1$

素因数の和:2356

約数の個数: 16

約数和(自身を含む): 22518400

約数和(自身を除く): 4110003

約数列:

[1, 7, 19, 61, 133, 427, 1159, 2269, 8113, 15883, 43111, 138409, 301777, 968863, 2629771, 18408397]

約数ペア:

[(1, 18408397), (7, 2629771), (19, 968863), (61, 301777), (133, 138409), (427, 43111), (1159, 15883), (2269, 8113)]