18881705234

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{9702829}}^1$

素因数の和:9702977

約数の個数: 16

約数和(自身を含む): 32601508800

約数和(自身を除く): 13719803566

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 9702829, 19405658, 67919803, 135839606, 1348693231, 2697386462, 9440852617, 18881705234]

約数ペア:

[(1, 18881705234), (2, 9440852617), (7, 2697386462), (14, 1348693231), (139, 135839606), (278, 67919803), (973, 19405658), (1946, 9702829)]