19711484

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{2243}}^1$

素因数の和:2286

約数の個数: 24

約数和(自身を含む): 37385040

約数和(自身を除く): 17673556

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 2197, 2243, 4394, 4486, 8788, 8972, 29159, 58318, 116636, 379067, 758134, 1516268, 4927871, 9855742, 19711484]

約数ペア:

[(1, 19711484), (2, 9855742), (4, 4927871), (13, 1516268), (26, 758134), (52, 379067), (169, 116636), (338, 58318), (676, 29159), (2197, 8972), (2243, 8788), (4394, 4486)]