18509220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{102829}}^1$

素因数の和:102844

約数の個数: 36

約数和(自身を含む): 56145180

約数和(自身を除く): 37635960

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 102829, 205658, 308487, 411316, 514145, 616974, 925461, 1028290, 1233948, 1542435, 1850922, 2056580, 3084870, 3701844, 4627305, 6169740, 9254610, 18509220]

約数ペア:

[(1, 18509220), (2, 9254610), (3, 6169740), (4, 4627305), (5, 3701844), (6, 3084870), (9, 2056580), (10, 1850922), (12, 1542435), (15, 1233948), (18, 1028290), (20, 925461), (30, 616974), (36, 514145), (45, 411316), (60, 308487), (90, 205658), (180, 102829)]