18619870

素因数分解:

$2^1\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{1429}}^1$

素因数の和:2739

約数の個数: 16

約数和(自身を含む): 33564960

約数和(自身を除く): 14945090

約数列:

[1, 2, 5, 10, 1303, 1429, 2606, 2858, 6515, 7145, 13030, 14290, 1861987, 3723974, 9309935, 18619870]

約数ペア:

[(1, 18619870), (2, 9309935), (5, 3723974), (10, 1861987), (1303, 14290), (1429, 13030), (2606, 7145), (2858, 6515)]