18708996838

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{63913}}^1$

素因数の和:64061

約数の個数: 48

約数和(自身を含む): 34099397280

約数和(自身を除く): 15390400442

約数列:

[1, 2, 7, 14, 29, 49, 58, 98, 103, 203, 206, 406, 721, 1421, 1442, 2842, 2987, 5047, 5974, 10094, 20909, 41818, 63913, 127826, 146363, 292726, 447391, 894782, 1853477, 3131737, 3706954, 6263474, 6583039, 12974339, 13166078, 25948678, 46081273, 90820373, 92162546, 181640746, 190908131, 322568911, 381816262, 645137822, 1336356917, 2672713834, 9354498419, 18708996838]

約数ペア:

[(1, 18708996838), (2, 9354498419), (7, 2672713834), (14, 1336356917), (29, 645137822), (49, 381816262), (58, 322568911), (98, 190908131), (103, 181640746), (203, 92162546), (206, 90820373), (406, 46081273), (721, 25948678), (1421, 13166078), (1442, 12974339), (2842, 6583039), (2987, 6263474), (5047, 3706954), (5974, 3131737), (10094, 1853477), (20909, 894782), (41818, 447391), (63913, 292726), (127826, 146363)]