19963779385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1451}}^1\times {\mathrm{6761}}^1$

素因数の和:8265

約数の個数: 32

約数和(自身を含む): 26863208064

約数和(自身を除く): 6899428679

約数列:

[1, 5, 11, 37, 55, 185, 407, 1451, 2035, 6761, 7255, 15961, 33805, 53687, 74371, 79805, 250157, 268435, 371855, 590557, 1250785, 2751727, 2952785, 9810211, 13758635, 49051055, 107912321, 362977807, 539561605, 1814889035, 3992755877, 19963779385]

約数ペア:

[(1, 19963779385), (5, 3992755877), (11, 1814889035), (37, 539561605), (55, 362977807), (185, 107912321), (407, 49051055), (1451, 13758635), (2035, 9810211), (6761, 2952785), (7255, 2751727), (15961, 1250785), (33805, 590557), (53687, 371855), (74371, 268435), (79805, 250157)]