18804545526965

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{31427597}}^1$

素因数の和:31427690

約数の個数: 48

約数和(自身を含む): 26483659703424

約数和(自身を除く): 7679114176459

約数列:

[1, 5, 11, 23, 43, 55, 115, 121, 215, 253, 473, 605, 989, 1265, 2365, 2783, 4945, 5203, 10879, 13915, 26015, 54395, 119669, 598345, 31427597, 157137985, 345703567, 722834731, 1351386671, 1728517835, 3614173655, 3802739237, 6756933355, 7951182041, 14865253381, 19013696185, 31081893433, 39755910205, 74326266905, 87463002451, 155409467165, 163517787191, 341900827763, 437315012255, 817588935955, 1709504138815, 3760909105393, 18804545526965]

約数ペア:

[(1, 18804545526965), (5, 3760909105393), (11, 1709504138815), (23, 817588935955), (43, 437315012255), (55, 341900827763), (115, 163517787191), (121, 155409467165), (215, 87463002451), (253, 74326266905), (473, 39755910205), (605, 31081893433), (989, 19013696185), (1265, 14865253381), (2365, 7951182041), (2783, 6756933355), (4945, 3802739237), (5203, 3614173655), (10879, 1728517835), (13915, 1351386671), (26015, 722834731), (54395, 345703567), (119669, 157137985), (598345, 31427597)]