18675380

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{25237}}^1$

素因数の和:25283

約数の個数: 24

約数和(自身を含む): 40279848

約数和(自身を除く): 21604468

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 25237, 50474, 100948, 126185, 252370, 504740, 933769, 1867538, 3735076, 4668845, 9337690, 18675380]

約数ペア:

[(1, 18675380), (2, 9337690), (4, 4668845), (5, 3735076), (10, 1867538), (20, 933769), (37, 504740), (74, 252370), (148, 126185), (185, 100948), (370, 50474), (740, 25237)]