18108145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 25474176

約数和(自身を除く): 7366031

約数列:

[1, 5, 11, 17, 55, 85, 107, 181, 187, 535, 905, 935, 1177, 1819, 1991, 3077, 5885, 9095, 9955, 15385, 19367, 20009, 33847, 96835, 100045, 169235, 213037, 329239, 1065185, 1646195, 3621629, 18108145]

約数ペア:

[(1, 18108145), (5, 3621629), (11, 1646195), (17, 1065185), (55, 329239), (85, 213037), (107, 169235), (181, 100045), (187, 96835), (535, 33847), (905, 20009), (935, 19367), (1177, 15385), (1819, 9955), (1991, 9095), (3077, 5885)]