19280465

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{2081}}^1$

素因数の和:2212

約数の個数: 16

約数和(自身を含む): 24734160

約数和(自身を除く): 5453695

約数列:

[1, 5, 17, 85, 109, 545, 1853, 2081, 9265, 10405, 35377, 176885, 226829, 1134145, 3856093, 19280465]

約数ペア:

[(1, 19280465), (5, 3856093), (17, 1134145), (85, 226829), (109, 176885), (545, 35377), (1853, 10405), (2081, 9265)]