19221569185

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5647}}^1\times {\mathrm{7481}}^1$

素因数の和:13153

約数の個数: 32

約数和(自身を含む): 28397601792

約数和(自身を除く): 9176032607

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 5647, 7481, 28235, 37405, 39529, 52367, 73411, 97253, 197645, 261835, 367055, 486265, 513877, 680771, 2569385, 3403855, 42245207, 211226035, 295716449, 549187691, 1478582245, 2745938455, 3844313837, 19221569185]

約数ペア:

[(1, 19221569185), (5, 3844313837), (7, 2745938455), (13, 1478582245), (35, 549187691), (65, 295716449), (91, 211226035), (455, 42245207), (5647, 3403855), (7481, 2569385), (28235, 680771), (37405, 513877), (39529, 486265), (52367, 367055), (73411, 261835), (97253, 197645)]