18817463

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{347}}^1$

素因数の和:542

約数の個数: 16

約数和(自身を含む): 22093824

約数和(自身を除く): 3276361

約数列:

[1, 7, 61, 127, 347, 427, 889, 2429, 7747, 21167, 44069, 54229, 148169, 308483, 2688209, 18817463]

約数ペア:

[(1, 18817463), (7, 2688209), (61, 308483), (127, 148169), (347, 54229), (427, 44069), (889, 21167), (2429, 7747)]