18277490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3391}}^1$

素因数の和:3423

約数の個数: 48

約数和(自身を含む): 41762304

約数和(自身を除く): 23484814

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 1078, 2695, 3391, 5390, 6782, 16955, 23737, 33910, 37301, 47474, 74602, 118685, 166159, 186505, 237370, 261107, 332318, 373010, 522214, 830795, 1305535, 1661590, 1827749, 2611070, 3655498, 9138745, 18277490]

約数ペア:

[(1, 18277490), (2, 9138745), (5, 3655498), (7, 2611070), (10, 1827749), (11, 1661590), (14, 1305535), (22, 830795), (35, 522214), (49, 373010), (55, 332318), (70, 261107), (77, 237370), (98, 186505), (110, 166159), (154, 118685), (245, 74602), (385, 47474), (490, 37301), (539, 33910), (770, 23737), (1078, 16955), (2695, 6782), (3391, 5390)]