19992076

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{8941}}^1$

素因数の和:9001

約数の個数: 24

約数和(自身を含む): 38557904

約数和(自身を除く): 18565828

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 8941, 17882, 35764, 116233, 232466, 384463, 464932, 768926, 1537852, 4998019, 9996038, 19992076]

約数ペア:

[(1, 19992076), (2, 9996038), (4, 4998019), (13, 1537852), (26, 768926), (43, 464932), (52, 384463), (86, 232466), (172, 116233), (559, 35764), (1118, 17882), (2236, 8941)]