2019202390456

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{2027}}^1\times {\mathrm{19447}}^1$

素因数の和:21836

約数の個数: 64

約数和(自身を含む): 3999271161600

約数和(自身を除く): 1980068771144

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 337, 674, 1348, 2027, 2696, 4054, 6403, 8108, 12806, 16216, 19447, 25612, 38513, 38894, 51224, 77026, 77788, 154052, 155576, 308104, 369493, 683099, 738986, 1366198, 1477972, 2732396, 2955944, 5464792, 6553639, 12978881, 13107278, 25957762, 26214556, 39419069, 51915524, 52429112, 78838138, 103831048, 124519141, 157676276, 249038282, 315352552, 498076564, 748962311, 996153128, 1497924622, 2995849244, 5991698488, 13284226253, 26568452506, 53136905012, 106273810024, 252400298807, 504800597614, 1009601195228, 2019202390456]

約数ペア:

[(1, 2019202390456), (2, 1009601195228), (4, 504800597614), (8, 252400298807), (19, 106273810024), (38, 53136905012), (76, 26568452506), (152, 13284226253), (337, 5991698488), (674, 2995849244), (1348, 1497924622), (2027, 996153128), (2696, 748962311), (4054, 498076564), (6403, 315352552), (8108, 249038282), (12806, 157676276), (16216, 124519141), (19447, 103831048), (25612, 78838138), (38513, 52429112), (38894, 51915524), (51224, 39419069), (77026, 26214556), (77788, 25957762), (154052, 13107278), (155576, 12978881), (308104, 6553639), (369493, 5464792), (683099, 2955944), (738986, 2732396), (1366198, 1477972)]