19480540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{42349}}^1$

素因数の和:42381

約数の個数: 24

約数和(自身を含む): 42688800

約数和(自身を除く): 23208260

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 42349, 84698, 169396, 211745, 423490, 846980, 974027, 1948054, 3896108, 4870135, 9740270, 19480540]

約数ペア:

[(1, 19480540), (2, 9740270), (4, 4870135), (5, 3896108), (10, 1948054), (20, 974027), (23, 846980), (46, 423490), (92, 211745), (115, 169396), (230, 84698), (460, 42349)]