19961612

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{41243}}^1$

素因数の和:41269

約数の個数: 18

約数和(自身を含む): 38398164

約数和(自身を除く): 18436552

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 41243, 82486, 164972, 453673, 907346, 1814692, 4990403, 9980806, 19961612]

約数ペア:

[(1, 19961612), (2, 9980806), (4, 4990403), (11, 1814692), (22, 907346), (44, 453673), (121, 164972), (242, 82486), (484, 41243)]