18336656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{443}}^1$

素因数の和:663

約数の個数: 40

約数和(自身を含む): 38539200

約数和(自身を除く): 20202544

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 199, 208, 398, 443, 796, 886, 1592, 1772, 2587, 3184, 3544, 5174, 5759, 7088, 10348, 11518, 20696, 23036, 41392, 46072, 88157, 92144, 176314, 352628, 705256, 1146041, 1410512, 2292082, 4584164, 9168328, 18336656]

約数ペア:

[(1, 18336656), (2, 9168328), (4, 4584164), (8, 2292082), (13, 1410512), (16, 1146041), (26, 705256), (52, 352628), (104, 176314), (199, 92144), (208, 88157), (398, 46072), (443, 41392), (796, 23036), (886, 20696), (1592, 11518), (1772, 10348), (2587, 7088), (3184, 5759), (3544, 5174)]