18909153604

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{3280561}}^1$

素因数の和:3280707

約数の個数: 24

約数和(自身を含む): 36374871456

約数和(自身を除く): 17465717852

約数列:

[1, 2, 4, 11, 22, 44, 131, 262, 524, 1441, 2882, 5764, 3280561, 6561122, 13122244, 36086171, 72172342, 144344684, 429753491, 859506982, 1719013964, 4727288401, 9454576802, 18909153604]

約数ペア:

[(1, 18909153604), (2, 9454576802), (4, 4727288401), (11, 1719013964), (22, 859506982), (44, 429753491), (131, 144344684), (262, 72172342), (524, 36086171), (1441, 13122244), (2882, 6561122), (5764, 3280561)]