12742578

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:136

約数の個数: 72

約数和(自身を含む): 30490668

約数和(自身を除く): 17748090

約数列:

[1, 2, 3, 6, 9, 18, 19, 37, 38, 53, 57, 74, 106, 111, 114, 159, 171, 222, 318, 333, 342, 361, 477, 666, 703, 722, 954, 1007, 1083, 1406, 1961, 2014, 2109, 2166, 3021, 3249, 3922, 4218, 5883, 6042, 6327, 6498, 9063, 11766, 12654, 13357, 17649, 18126, 19133, 26714, 35298, 37259, 38266, 40071, 57399, 74518, 80142, 111777, 114798, 120213, 172197, 223554, 240426, 335331, 344394, 670662, 707921, 1415842, 2123763, 4247526, 6371289, 12742578]

約数ペア:

[(1, 12742578), (2, 6371289), (3, 4247526), (6, 2123763), (9, 1415842), (18, 707921), (19, 670662), (37, 344394), (38, 335331), (53, 240426), (57, 223554), (74, 172197), (106, 120213), (111, 114798), (114, 111777), (159, 80142), (171, 74518), (222, 57399), (318, 40071), (333, 38266), (342, 37259), (361, 35298), (477, 26714), (666, 19133), (703, 18126), (722, 17649), (954, 13357), (1007, 12654), (1083, 11766), (1406, 9063), (1961, 6498), (2014, 6327), (2109, 6042), (2166, 5883), (3021, 4218), (3249, 3922)]