19199061505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{18979}}^1$

素因数の和:19273

約数の個数: 32

約数和(自身を含む): 25254028800

約数和(自身を除く): 6054967295

約数列:

[1, 5, 13, 65, 79, 197, 395, 985, 1027, 2561, 5135, 12805, 15563, 18979, 77815, 94895, 202319, 246727, 1011595, 1233635, 1499341, 3738863, 7496705, 18694315, 19491433, 48605219, 97457165, 243026095, 295370177, 1476850885, 3839812301, 19199061505]

約数ペア:

[(1, 19199061505), (5, 3839812301), (13, 1476850885), (65, 295370177), (79, 243026095), (197, 97457165), (395, 48605219), (985, 19491433), (1027, 18694315), (2561, 7496705), (5135, 3738863), (12805, 1499341), (15563, 1233635), (18979, 1011595), (77815, 246727), (94895, 202319)]