18640490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1747}}^1$

素因数の和:1862

約数の個数: 32

約数和(自身を含む): 37001664

約数和(自身を除く): 18361174

約数列:

[1, 2, 5, 10, 11, 22, 55, 97, 110, 194, 485, 970, 1067, 1747, 2134, 3494, 5335, 8735, 10670, 17470, 19217, 38434, 96085, 169459, 192170, 338918, 847295, 1694590, 1864049, 3728098, 9320245, 18640490]

約数ペア:

[(1, 18640490), (2, 9320245), (5, 3728098), (10, 1864049), (11, 1694590), (22, 847295), (55, 338918), (97, 192170), (110, 169459), (194, 96085), (485, 38434), (970, 19217), (1067, 17470), (1747, 10670), (2134, 8735), (3494, 5335)]