16648866

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^3\times {\mathrm{421}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 39170040

約数和(自身を除く): 22521174

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 169, 234, 338, 421, 507, 842, 1014, 1263, 1521, 2197, 2526, 3042, 3789, 4394, 5473, 6591, 7578, 10946, 13182, 16419, 19773, 32838, 39546, 49257, 71149, 98514, 142298, 213447, 426894, 640341, 924937, 1280682, 1849874, 2774811, 5549622, 8324433, 16648866]

約数ペア:

[(1, 16648866), (2, 8324433), (3, 5549622), (6, 2774811), (9, 1849874), (13, 1280682), (18, 924937), (26, 640341), (39, 426894), (78, 213447), (117, 142298), (169, 98514), (234, 71149), (338, 49257), (421, 39546), (507, 32838), (842, 19773), (1014, 16419), (1263, 13182), (1521, 10946), (2197, 7578), (2526, 6591), (3042, 5473), (3789, 4394)]