18182180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1009}}^1$

素因数の和:1088

約数の個数: 48

約数和(自身を含む): 41232240

約数和(自身を除く): 23050060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 212, 265, 340, 530, 901, 1009, 1060, 1802, 2018, 3604, 4036, 4505, 5045, 9010, 10090, 17153, 18020, 20180, 34306, 53477, 68612, 85765, 106954, 171530, 213908, 267385, 343060, 534770, 909109, 1069540, 1818218, 3636436, 4545545, 9091090, 18182180]

約数ペア:

[(1, 18182180), (2, 9091090), (4, 4545545), (5, 3636436), (10, 1818218), (17, 1069540), (20, 909109), (34, 534770), (53, 343060), (68, 267385), (85, 213908), (106, 171530), (170, 106954), (212, 85765), (265, 68612), (340, 53477), (530, 34306), (901, 20180), (1009, 18020), (1060, 17153), (1802, 10090), (2018, 9010), (3604, 5045), (4036, 4505)]