31865812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{811}}^1$

素因数の和:892

約数の個数: 48

約数和(自身を含む): 65479680

約数和(自身を除く): 33613868

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 47, 76, 94, 188, 209, 418, 517, 811, 836, 893, 1034, 1622, 1786, 2068, 3244, 3572, 8921, 9823, 15409, 17842, 19646, 30818, 35684, 38117, 39292, 61636, 76234, 152468, 169499, 338998, 419287, 677996, 724223, 838574, 1448446, 1677148, 2896892, 7966453, 15932906, 31865812]

約数ペア:

[(1, 31865812), (2, 15932906), (4, 7966453), (11, 2896892), (19, 1677148), (22, 1448446), (38, 838574), (44, 724223), (47, 677996), (76, 419287), (94, 338998), (188, 169499), (209, 152468), (418, 76234), (517, 61636), (811, 39292), (836, 38117), (893, 35684), (1034, 30818), (1622, 19646), (1786, 17842), (2068, 15409), (3244, 9823), (3572, 8921)]