18645067804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{41233}}^1$

素因数の和:41530

約数の個数: 48

約数和(自身を含む): 36576207360

約数和(自身を除く): 17931139556

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 239, 473, 478, 946, 956, 1892, 2629, 5258, 10277, 10516, 20554, 41108, 41233, 82466, 113047, 164932, 226094, 452188, 453563, 907126, 1773019, 1814252, 3546038, 7092076, 9854687, 19503209, 19709374, 39006418, 39418748, 78012836, 108401557, 216803114, 423751541, 433606228, 847503082, 1695006164, 4661266951, 9322533902, 18645067804]

約数ペア:

[(1, 18645067804), (2, 9322533902), (4, 4661266951), (11, 1695006164), (22, 847503082), (43, 433606228), (44, 423751541), (86, 216803114), (172, 108401557), (239, 78012836), (473, 39418748), (478, 39006418), (946, 19709374), (956, 19503209), (1892, 9854687), (2629, 7092076), (5258, 3546038), (10277, 1814252), (10516, 1773019), (20554, 907126), (41108, 453563), (41233, 452188), (82466, 226094), (113047, 164932)]