219619385

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{11617}}^1$

素因数の和:11840

約数の個数: 16

約数和(自身を含む): 278832000

約数和(自身を除く): 59212615

約数列:

[1, 5, 19, 95, 199, 995, 3781, 11617, 18905, 58085, 220723, 1103615, 2311783, 11558915, 43923877, 219619385]

約数ペア:

[(1, 219619385), (5, 43923877), (19, 11558915), (95, 2311783), (199, 1103615), (995, 220723), (3781, 58085), (11617, 18905)]