19940584

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{509}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 38556000

約数和(自身を除く): 18615416

約数列:

[1, 2, 4, 8, 59, 83, 118, 166, 236, 332, 472, 509, 664, 1018, 2036, 4072, 4897, 9794, 19588, 30031, 39176, 42247, 60062, 84494, 120124, 168988, 240248, 337976, 2492573, 4985146, 9970292, 19940584]

約数ペア:

[(1, 19940584), (2, 9970292), (4, 4985146), (8, 2492573), (59, 337976), (83, 240248), (118, 168988), (166, 120124), (236, 84494), (332, 60062), (472, 42247), (509, 39176), (664, 30031), (1018, 19588), (2036, 9794), (4072, 4897)]