19730095

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{7321}}^1$

素因数の和:7351

約数の個数: 24

約数和(自身を含む): 30049488

約数和(自身を除く): 10319393

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 2695, 7321, 36605, 51247, 80531, 256235, 358729, 402655, 563717, 1793645, 2818585, 3946019, 19730095]

約数ペア:

[(1, 19730095), (5, 3946019), (7, 2818585), (11, 1793645), (35, 563717), (49, 402655), (55, 358729), (77, 256235), (245, 80531), (385, 51247), (539, 36605), (2695, 7321)]