18077868

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:407

約数の個数: 72

約数和(自身を含む): 49008960

約数和(自身を除く): 30931092

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 109, 153, 204, 218, 271, 306, 327, 436, 542, 612, 654, 813, 981, 1084, 1308, 1626, 1853, 1962, 2439, 3252, 3706, 3924, 4607, 4878, 5559, 7412, 9214, 9756, 11118, 13821, 16677, 18428, 22236, 27642, 29539, 33354, 41463, 55284, 59078, 66708, 82926, 88617, 118156, 165852, 177234, 265851, 354468, 502163, 531702, 1004326, 1063404, 1506489, 2008652, 3012978, 4519467, 6025956, 9038934, 18077868]

約数ペア:

[(1, 18077868), (2, 9038934), (3, 6025956), (4, 4519467), (6, 3012978), (9, 2008652), (12, 1506489), (17, 1063404), (18, 1004326), (34, 531702), (36, 502163), (51, 354468), (68, 265851), (102, 177234), (109, 165852), (153, 118156), (204, 88617), (218, 82926), (271, 66708), (306, 59078), (327, 55284), (436, 41463), (542, 33354), (612, 29539), (654, 27642), (813, 22236), (981, 18428), (1084, 16677), (1308, 13821), (1626, 11118), (1853, 9756), (1962, 9214), (2439, 7412), (3252, 5559), (3706, 4878), (3924, 4607)]