19772830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{25679}}^1$

素因数の和:25704

約数の個数: 32

約数和(自身を含む): 44375040

約数和(自身を除く): 24602210

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 25679, 51358, 128395, 179753, 256790, 282469, 359506, 564938, 898765, 1412345, 1797530, 1977283, 2824690, 3954566, 9886415, 19772830]

約数ペア:

[(1, 19772830), (2, 9886415), (5, 3954566), (7, 2824690), (10, 1977283), (11, 1797530), (14, 1412345), (22, 898765), (35, 564938), (55, 359506), (70, 282469), (77, 256790), (110, 179753), (154, 128395), (385, 51358), (770, 25679)]