19761136

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{39841}}^1$

素因数の和:39880

約数の個数: 20

約数和(自身を含む): 39523264

約数和(自身を除く): 19762128

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 39841, 79682, 159364, 318728, 637456, 1235071, 2470142, 4940284, 9880568, 19761136]

約数ペア:

[(1, 19761136), (2, 9880568), (4, 4940284), (8, 2470142), (16, 1235071), (31, 637456), (62, 318728), (124, 159364), (248, 79682), (496, 39841)]