19225390

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{9661}}^1$

素因数の和:9867

約数の個数: 16

約数和(自身を含む): 34783200

約数和(自身を除く): 15557810

約数列:

[1, 2, 5, 10, 199, 398, 995, 1990, 9661, 19322, 48305, 96610, 1922539, 3845078, 9612695, 19225390]

約数ペア:

[(1, 19225390), (2, 9612695), (5, 3845078), (10, 1922539), (199, 96610), (398, 48305), (995, 19322), (1990, 9661)]