18928084

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 39424000

約数和(自身を除く): 20495916

約数列:

[1, 2, 4, 7, 14, 28, 43, 79, 86, 158, 172, 199, 301, 316, 398, 553, 602, 796, 1106, 1204, 1393, 2212, 2786, 3397, 5572, 6794, 8557, 13588, 15721, 17114, 23779, 31442, 34228, 47558, 59899, 62884, 95116, 110047, 119798, 220094, 239596, 440188, 676003, 1352006, 2704012, 4732021, 9464042, 18928084]

約数ペア:

[(1, 18928084), (2, 9464042), (4, 4732021), (7, 2704012), (14, 1352006), (28, 676003), (43, 440188), (79, 239596), (86, 220094), (158, 119798), (172, 110047), (199, 95116), (301, 62884), (316, 59899), (398, 47558), (553, 34228), (602, 31442), (796, 23779), (1106, 17114), (1204, 15721), (1393, 13588), (2212, 8557), (2786, 6794), (3397, 5572)]