19800284

素因数分解:

$2^2\times 7^1\times {\mathrm{707153}}^1$

素因数の和:707164

約数の個数: 12

約数和(自身を含む): 39600624

約数和(自身を除く): 19800340

約数列:

[1, 2, 4, 7, 14, 28, 707153, 1414306, 2828612, 4950071, 9900142, 19800284]

約数ペア:

[(1, 19800284), (2, 9900142), (4, 4950071), (7, 2828612), (14, 1414306), (28, 707153)]