18138519730

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2801}}^1\times {\mathrm{5099}}^1$

素因数の和:8034

約数の個数: 32

約数和(自身を含む): 32924620800

約数和(自身を除く): 14786101070

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 2801, 5099, 5602, 10198, 14005, 25495, 28010, 50990, 355727, 647573, 711454, 1295146, 1778635, 3237865, 3557270, 6475730, 14282299, 28564598, 71411495, 142822990, 1813851973, 3627703946, 9069259865, 18138519730]

約数ペア:

[(1, 18138519730), (2, 9069259865), (5, 3627703946), (10, 1813851973), (127, 142822990), (254, 71411495), (635, 28564598), (1270, 14282299), (2801, 6475730), (5099, 3557270), (5602, 3237865), (10198, 1778635), (14005, 1295146), (25495, 711454), (28010, 647573), (50990, 355727)]