19051294390

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{26832809}}^1$

素因数の和:26832887

約数の個数: 16

約数和(自身を含む): 34775321760

約数和(自身を除く): 15724027370

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 26832809, 53665618, 134164045, 268328090, 1905129439, 3810258878, 9525647195, 19051294390]

約数ペア:

[(1, 19051294390), (2, 9525647195), (5, 3810258878), (10, 1905129439), (71, 268328090), (142, 134164045), (355, 53665618), (710, 26832809)]