1821129119

素因数分解:

${\mathrm{19}}^2\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{397}}^1$

素因数の和:663

約数の個数: 24

約数和(自身を含む): 1961589168

約数和(自身を除く): 140460049

約数列:

[1, 19, 97, 131, 361, 397, 1843, 2489, 7543, 12707, 35017, 38509, 47291, 52007, 143317, 241433, 731671, 988133, 4587227, 5044679, 13901749, 18774527, 95848901, 1821129119]

約数ペア:

[(1, 1821129119), (19, 95848901), (97, 18774527), (131, 13901749), (361, 5044679), (397, 4587227), (1843, 988133), (2489, 731671), (7543, 241433), (12707, 143317), (35017, 52007), (38509, 47291)]