19553188

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{1151}}^1$

素因数の和:1323

約数の個数: 24

約数和(自身を含む): 35610624

約数和(自身を除く): 16057436

約数列:

[1, 2, 4, 31, 62, 124, 137, 274, 548, 1151, 2302, 4247, 4604, 8494, 16988, 35681, 71362, 142724, 157687, 315374, 630748, 4888297, 9776594, 19553188]

約数ペア:

[(1, 19553188), (2, 9776594), (4, 4888297), (31, 630748), (62, 315374), (124, 157687), (137, 142724), (274, 71362), (548, 35681), (1151, 16988), (2302, 8494), (4247, 4604)]