18872227

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2347}}^1$

素因数の和:2418

約数の個数: 16

約数和(自身を含む): 22315392

約数和(自身を除く): 3443165

約数列:

[1, 11, 17, 43, 187, 473, 731, 2347, 8041, 25817, 39899, 100921, 438889, 1110131, 1715657, 18872227]

約数ペア:

[(1, 18872227), (11, 1715657), (17, 1110131), (43, 438889), (187, 100921), (473, 39899), (731, 25817), (2347, 8041)]