19401854975

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{6011}}^1$

素因数の和:6176

約数の個数: 48

約数和(自身を含む): 25549364736

約数和(自身を除く): 6147509761

約数列:

[1, 5, 25, 41, 47, 67, 205, 235, 335, 1025, 1175, 1675, 1927, 2747, 3149, 6011, 9635, 13735, 15745, 30055, 48175, 68675, 78725, 129109, 150275, 246451, 282517, 402737, 645545, 1232255, 1412585, 2013685, 3227725, 6161275, 7062925, 10068425, 11583197, 16512217, 18928639, 57915985, 82561085, 94643195, 289579925, 412805425, 473215975, 776074199, 3880370995, 19401854975]

約数ペア:

[(1, 19401854975), (5, 3880370995), (25, 776074199), (41, 473215975), (47, 412805425), (67, 289579925), (205, 94643195), (235, 82561085), (335, 57915985), (1025, 18928639), (1175, 16512217), (1675, 11583197), (1927, 10068425), (2747, 7062925), (3149, 6161275), (6011, 3227725), (9635, 2013685), (13735, 1412585), (15745, 1232255), (30055, 645545), (48175, 402737), (68675, 282517), (78725, 246451), (129109, 150275)]