20161971904

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{16580569}}^1$

素因数の和:16580600

約数の個数: 28

約数和(自身を含む): 42114647800

約数和(自身を除く): 21952675896

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 16580569, 33161138, 66322276, 132644552, 265289104, 315030811, 530578208, 630061622, 1061156416, 1260123244, 2520246488, 5040492976, 10080985952, 20161971904]

約数ペア:

[(1, 20161971904), (2, 10080985952), (4, 5040492976), (8, 2520246488), (16, 1260123244), (19, 1061156416), (32, 630061622), (38, 530578208), (64, 315030811), (76, 265289104), (152, 132644552), (304, 66322276), (608, 33161138), (1216, 16580569)]