18284540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{39749}}^1$

素因数の和:39781

約数の個数: 24

約数和(自身を含む): 40068000

約数和(自身を除く): 21783460

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 39749, 79498, 158996, 198745, 397490, 794980, 914227, 1828454, 3656908, 4571135, 9142270, 18284540]

約数ペア:

[(1, 18284540), (2, 9142270), (4, 4571135), (5, 3656908), (10, 1828454), (20, 914227), (23, 794980), (46, 397490), (92, 198745), (115, 158996), (230, 79498), (460, 39749)]