19019140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{135851}}^1$

素因数の和:135867

約数の個数: 24

約数和(自身を含む): 45646272

約数和(自身を除く): 26627132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 135851, 271702, 543404, 679255, 950957, 1358510, 1901914, 2717020, 3803828, 4754785, 9509570, 19019140]

約数ペア:

[(1, 19019140), (2, 9509570), (4, 4754785), (5, 3803828), (7, 2717020), (10, 1901914), (14, 1358510), (20, 950957), (28, 679255), (35, 543404), (70, 271702), (140, 135851)]