19932710

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2141}}^1$

素因数の和:2181

約数の個数: 48

約数和(自身を含む): 43953840

約数和(自身を除く): 24021130

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 245, 266, 490, 665, 931, 1330, 1862, 2141, 4282, 4655, 9310, 10705, 14987, 21410, 29974, 40679, 74935, 81358, 104909, 149870, 203395, 209818, 284753, 406790, 524545, 569506, 1049090, 1423765, 1993271, 2847530, 3986542, 9966355, 19932710]

約数ペア:

[(1, 19932710), (2, 9966355), (5, 3986542), (7, 2847530), (10, 1993271), (14, 1423765), (19, 1049090), (35, 569506), (38, 524545), (49, 406790), (70, 284753), (95, 209818), (98, 203395), (133, 149870), (190, 104909), (245, 81358), (266, 74935), (490, 40679), (665, 29974), (931, 21410), (1330, 14987), (1862, 10705), (2141, 9310), (4282, 4655)]