19934530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{25889}}^1$

素因数の和:25914

約数の個数: 32

約数和(自身を含む): 44737920

約数和(自身を除く): 24803390

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 25889, 51778, 129445, 181223, 258890, 284779, 362446, 569558, 906115, 1423895, 1812230, 1993453, 2847790, 3986906, 9967265, 19934530]

約数ペア:

[(1, 19934530), (2, 9967265), (5, 3986906), (7, 2847790), (10, 1993453), (11, 1812230), (14, 1423895), (22, 906115), (35, 569558), (55, 362446), (70, 284779), (77, 258890), (110, 181223), (154, 129445), (385, 51778), (770, 25889)]