2019980816

素因数分解:

$2^4\times 7^1\times {\mathrm{18035543}}^1$

素因数の和:18035558

約数の個数: 20

約数和(自身を含む): 4472814912

約数和(自身を除く): 2452834096

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 18035543, 36071086, 72142172, 126248801, 144284344, 252497602, 288568688, 504995204, 1009990408, 2019980816]

約数ペア:

[(1, 2019980816), (2, 1009990408), (4, 504995204), (7, 288568688), (8, 252497602), (14, 144284344), (16, 126248801), (28, 72142172), (56, 36071086), (112, 18035543)]