19547585

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:197

約数の個数: 32

約数和(自身を含む): 25850880

約数和(自身を除く): 6303295

約数列:

[1, 5, 23, 43, 59, 67, 115, 215, 295, 335, 989, 1357, 1541, 2537, 2881, 3953, 4945, 6785, 7705, 12685, 14405, 19765, 58351, 66263, 90919, 169979, 291755, 331315, 454595, 849895, 3909517, 19547585]

約数ペア:

[(1, 19547585), (5, 3909517), (23, 849895), (43, 454595), (59, 331315), (67, 291755), (115, 169979), (215, 90919), (295, 66263), (335, 58351), (989, 19765), (1357, 14405), (1541, 12685), (2537, 7705), (2881, 6785), (3953, 4945)]