18049367

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:470

約数の個数: 16

約数和(自身を含む): 21135360

約数和(自身を除く): 3085993

約数列:

[1, 7, 79, 127, 257, 553, 889, 1799, 10033, 20303, 32639, 70231, 142121, 228473, 2578481, 18049367]

約数ペア:

[(1, 18049367), (7, 2578481), (79, 228473), (127, 142121), (257, 70231), (553, 32639), (889, 20303), (1799, 10033)]