18940339

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1741}}^1$

素因数の和:1818

約数の個数: 16

約数和(自身を含む): 22074624

約数和(自身を除く): 3134285

約数列:

[1, 11, 23, 43, 253, 473, 989, 1741, 10879, 19151, 40043, 74863, 440473, 823493, 1721849, 18940339]

約数ペア:

[(1, 18940339), (11, 1721849), (23, 823493), (43, 440473), (253, 74863), (473, 40043), (989, 19151), (1741, 10879)]