18487860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{13397}}^1$

素因数の和:13432

約数の個数: 48

約数和(自身を含む): 54020736

約数和(自身を除く): 35532876

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 13397, 26794, 40191, 53588, 66985, 80382, 133970, 160764, 200955, 267940, 308131, 401910, 616262, 803820, 924393, 1232524, 1540655, 1848786, 3081310, 3697572, 4621965, 6162620, 9243930, 18487860]

約数ペア:

[(1, 18487860), (2, 9243930), (3, 6162620), (4, 4621965), (5, 3697572), (6, 3081310), (10, 1848786), (12, 1540655), (15, 1232524), (20, 924393), (23, 803820), (30, 616262), (46, 401910), (60, 308131), (69, 267940), (92, 200955), (115, 160764), (138, 133970), (230, 80382), (276, 66985), (345, 53588), (460, 40191), (690, 26794), (1380, 13397)]