1889975216

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{19763}}^1$

素因数の和:19953

約数の個数: 40

約数和(自身を含む): 3774133440

約数和(自身を除く): 1884158224

約数列:

[1, 2, 4, 8, 16, 43, 86, 139, 172, 278, 344, 556, 688, 1112, 2224, 5977, 11954, 19763, 23908, 39526, 47816, 79052, 95632, 158104, 316208, 849809, 1699618, 2747057, 3399236, 5494114, 6798472, 10988228, 13596944, 21976456, 43952912, 118123451, 236246902, 472493804, 944987608, 1889975216]

約数ペア:

[(1, 1889975216), (2, 944987608), (4, 472493804), (8, 236246902), (16, 118123451), (43, 43952912), (86, 21976456), (139, 13596944), (172, 10988228), (278, 6798472), (344, 5494114), (556, 3399236), (688, 2747057), (1112, 1699618), (2224, 849809), (5977, 316208), (11954, 158104), (19763, 95632), (23908, 79052), (39526, 47816)]