18530730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1999}}^1$

素因数の和:2115

約数の個数: 48

約数和(自身を含む): 48672000

約数和(自身を除く): 30141270

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 103, 206, 309, 515, 618, 927, 1030, 1545, 1854, 1999, 3090, 3998, 4635, 5997, 9270, 9995, 11994, 17991, 19990, 29985, 35982, 59970, 89955, 179910, 205897, 411794, 617691, 1029485, 1235382, 1853073, 2058970, 3088455, 3706146, 6176910, 9265365, 18530730]

約数ペア:

[(1, 18530730), (2, 9265365), (3, 6176910), (5, 3706146), (6, 3088455), (9, 2058970), (10, 1853073), (15, 1235382), (18, 1029485), (30, 617691), (45, 411794), (90, 205897), (103, 179910), (206, 89955), (309, 59970), (515, 35982), (618, 29985), (927, 19990), (1030, 17991), (1545, 11994), (1854, 9995), (1999, 9270), (3090, 5997), (3998, 4635)]