18905865

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{769}}^1$

素因数の和:937

約数の個数: 32

約数和(自身を含む): 33264000

約数和(自身を除く): 14358135

約数列:

[1, 3, 5, 11, 15, 33, 55, 149, 165, 447, 745, 769, 1639, 2235, 2307, 3845, 4917, 8195, 8459, 11535, 24585, 25377, 42295, 114581, 126885, 343743, 572905, 1260391, 1718715, 3781173, 6301955, 18905865]

約数ペア:

[(1, 18905865), (3, 6301955), (5, 3781173), (11, 1718715), (15, 1260391), (33, 572905), (55, 343743), (149, 126885), (165, 114581), (447, 42295), (745, 25377), (769, 24585), (1639, 11535), (2235, 8459), (2307, 8195), (3845, 4917)]