19419160

素因数分解:

$2^3\times 5^1\times {\mathrm{485479}}^1$

素因数の和:485490

約数の個数: 16

約数和(自身を含む): 43693200

約数和(自身を除く): 24274040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 485479, 970958, 1941916, 2427395, 3883832, 4854790, 9709580, 19419160]

約数ペア:

[(1, 19419160), (2, 9709580), (4, 4854790), (5, 3883832), (8, 2427395), (10, 1941916), (20, 970958), (40, 485479)]