19851180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{330853}}^1$

素因数の和:330865

約数の個数: 24

約数和(自身を含む): 55583472

約数和(自身を除く): 35732292

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 330853, 661706, 992559, 1323412, 1654265, 1985118, 3308530, 3970236, 4962795, 6617060, 9925590, 19851180]

約数ペア:

[(1, 19851180), (2, 9925590), (3, 6617060), (4, 4962795), (5, 3970236), (6, 3308530), (10, 1985118), (12, 1654265), (15, 1323412), (20, 992559), (30, 661706), (60, 330853)]