19867670

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{19289}}^1$

素因数の和:19399

約数の個数: 16

約数和(自身を含む): 36110880

約数和(自身を除く): 16243210

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 19289, 38578, 96445, 192890, 1986767, 3973534, 9933835, 19867670]

約数ペア:

[(1, 19867670), (2, 9933835), (5, 3973534), (10, 1986767), (103, 192890), (206, 96445), (515, 38578), (1030, 19289)]