19049697905

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{198859}}^1$

素因数の和:198918

約数の個数: 48

約数和(自身を含む): 29380371840

約数和(自身を除く): 10330673935

約数列:

[1, 5, 7, 17, 23, 35, 49, 85, 115, 119, 161, 245, 391, 595, 805, 833, 1127, 1955, 2737, 4165, 5635, 13685, 19159, 95795, 198859, 994295, 1392013, 3380603, 4573757, 6960065, 9744091, 16903015, 22868785, 23664221, 32016299, 48720455, 77753869, 118321105, 160081495, 165649547, 224114093, 388769345, 544277083, 828247735, 1120570465, 2721385415, 3809939581, 19049697905]

約数ペア:

[(1, 19049697905), (5, 3809939581), (7, 2721385415), (17, 1120570465), (23, 828247735), (35, 544277083), (49, 388769345), (85, 224114093), (115, 165649547), (119, 160081495), (161, 118321105), (245, 77753869), (391, 48720455), (595, 32016299), (805, 23664221), (833, 22868785), (1127, 16903015), (1955, 9744091), (2737, 6960065), (4165, 4573757), (5635, 3380603), (13685, 1392013), (19159, 994295), (95795, 198859)]