1999431928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19225307}}^1$

素因数の和:19225326

約数の個数: 16

約数和(自身を含む): 4037314680

約数和(自身を除く): 2037882752

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 19225307, 38450614, 76901228, 153802456, 249928991, 499857982, 999715964, 1999431928]

約数ペア:

[(1, 1999431928), (2, 999715964), (4, 499857982), (8, 249928991), (13, 153802456), (26, 76901228), (52, 38450614), (104, 19225307)]