19869652

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{673}}^1$

素因数の和:760

約数の個数: 36

約数和(自身を含む): 38904628

約数和(自身を除く): 19034976

約数列:

[1, 2, 4, 11, 22, 44, 61, 121, 122, 242, 244, 484, 671, 673, 1342, 1346, 2684, 2692, 7381, 7403, 14762, 14806, 29524, 29612, 41053, 81433, 82106, 162866, 164212, 325732, 451583, 903166, 1806332, 4967413, 9934826, 19869652]

約数ペア:

[(1, 19869652), (2, 9934826), (4, 4967413), (11, 1806332), (22, 903166), (44, 451583), (61, 325732), (121, 164212), (122, 162866), (242, 82106), (244, 81433), (484, 41053), (671, 29612), (673, 29524), (1342, 14806), (1346, 14762), (2684, 7403), (2692, 7381)]