12881924

素因数分解:

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

素因数の和:864

約数の個数: 36

約数和(自身を含む): 25987248

約数和(自身を除く): 13105324

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 361, 418, 722, 811, 836, 1444, 1622, 3244, 3971, 7942, 8921, 15409, 15884, 17842, 30818, 35684, 61636, 169499, 292771, 338998, 585542, 677996, 1171084, 3220481, 6440962, 12881924]

約数ペア:

[(1, 12881924), (2, 6440962), (4, 3220481), (11, 1171084), (19, 677996), (22, 585542), (38, 338998), (44, 292771), (76, 169499), (209, 61636), (361, 35684), (418, 30818), (722, 17842), (811, 15884), (836, 15409), (1444, 8921), (1622, 7942), (3244, 3971)]