19319540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41999}}^1$

素因数の和:42031

約数の個数: 24

約数和(自身を含む): 42336000

約数和(自身を除く): 23016460

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 41999, 83998, 167996, 209995, 419990, 839980, 965977, 1931954, 3863908, 4829885, 9659770, 19319540]

約数ペア:

[(1, 19319540), (2, 9659770), (4, 4829885), (5, 3863908), (10, 1931954), (20, 965977), (23, 839980), (46, 419990), (92, 209995), (115, 167996), (230, 83998), (460, 41999)]