18885800445

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{277}}^1\times {\mathrm{51071}}^1$

素因数の和:51445

約数の個数: 32

約数和(自身を含む): 30667714560

約数和(自身を除く): 11781914115

約数列:

[1, 3, 5, 15, 89, 267, 277, 445, 831, 1335, 1385, 4155, 24653, 51071, 73959, 123265, 153213, 255355, 369795, 766065, 4545319, 13635957, 14146667, 22726595, 42440001, 68179785, 70733335, 212200005, 1259053363, 3777160089, 6295266815, 18885800445]

約数ペア:

[(1, 18885800445), (3, 6295266815), (5, 3777160089), (15, 1259053363), (89, 212200005), (267, 70733335), (277, 68179785), (445, 42440001), (831, 22726595), (1335, 14146667), (1385, 13635957), (4155, 4545319), (24653, 766065), (51071, 369795), (73959, 255355), (123265, 153213)]