20189709748

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{388263649}}^1$

素因数の和:388263666

約数の個数: 12

約数和(自身を含む): 38049837700

約数和(自身を除く): 17860127952

約数列:

[1, 2, 4, 13, 26, 52, 388263649, 776527298, 1553054596, 5047427437, 10094854874, 20189709748]

約数ペア:

[(1, 20189709748), (2, 10094854874), (4, 5047427437), (13, 1553054596), (26, 776527298), (52, 388263649)]