18393560

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19993}}^1$

素因数の和:20027

約数の個数: 32

約数和(自身を含む): 43187040

約数和(自身を除く): 24793480

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 19993, 39986, 79972, 99965, 159944, 199930, 399860, 459839, 799720, 919678, 1839356, 2299195, 3678712, 4598390, 9196780, 18393560]

約数ペア:

[(1, 18393560), (2, 9196780), (4, 4598390), (5, 3678712), (8, 2299195), (10, 1839356), (20, 919678), (23, 799720), (40, 459839), (46, 399860), (92, 199930), (115, 159944), (184, 99965), (230, 79972), (460, 39986), (920, 19993)]