18942140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{135301}}^1$

素因数の和:135317

約数の個数: 24

約数和(自身を含む): 45461472

約数和(自身を除く): 26519332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 135301, 270602, 541204, 676505, 947107, 1353010, 1894214, 2706020, 3788428, 4735535, 9471070, 18942140]

約数ペア:

[(1, 18942140), (2, 9471070), (4, 4735535), (5, 3788428), (7, 2706020), (10, 1894214), (14, 1353010), (20, 947107), (28, 676505), (35, 541204), (70, 270602), (140, 135301)]