18056269

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{557}}^1$

素因数の和:996

約数の個数: 16

約数和(自身を含む): 22605696

約数和(自身を除く): 4549427

約数列:

[1, 7, 11, 77, 421, 557, 2947, 3899, 4631, 6127, 32417, 42889, 234497, 1641479, 2579467, 18056269]

約数ペア:

[(1, 18056269), (7, 2579467), (11, 1641479), (77, 234497), (421, 42889), (557, 32417), (2947, 6127), (3899, 4631)]