19392412

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{28687}}^1$

素因数の和:28717

約数の個数: 18

約数和(自身を含む): 36749328

約数和(自身を除く): 17356916

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 28687, 57374, 114748, 372931, 745862, 1491724, 4848103, 9696206, 19392412]

約数ペア:

[(1, 19392412), (2, 9696206), (4, 4848103), (13, 1491724), (26, 745862), (52, 372931), (169, 114748), (338, 57374), (676, 28687)]