19530544

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{110969}}^1$

素因数の和:110988

約数の個数: 20

約数和(自身を含む): 41280840

約数和(自身を除く): 21750296

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 110969, 221938, 443876, 887752, 1220659, 1775504, 2441318, 4882636, 9765272, 19530544]

約数ペア:

[(1, 19530544), (2, 9765272), (4, 4882636), (8, 2441318), (11, 1775504), (16, 1220659), (22, 887752), (44, 443876), (88, 221938), (176, 110969)]