18058420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53113}}^1$

素因数の和:53139

約数の個数: 24

約数和(自身を含む): 40154184

約数和(自身を除く): 22095764

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 53113, 106226, 212452, 265565, 531130, 902921, 1062260, 1805842, 3611684, 4514605, 9029210, 18058420]

約数ペア:

[(1, 18058420), (2, 9029210), (4, 4514605), (5, 3611684), (10, 1805842), (17, 1062260), (20, 902921), (34, 531130), (68, 265565), (85, 212452), (170, 106226), (340, 53113)]