18226520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35051}}^1$

素因数の和:35075

約数の個数: 32

約数和(自身を含む): 44165520

約数和(自身を除く): 25939000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 35051, 70102, 140204, 175255, 280408, 350510, 455663, 701020, 911326, 1402040, 1822652, 2278315, 3645304, 4556630, 9113260, 18226520]

約数ペア:

[(1, 18226520), (2, 9113260), (4, 4556630), (5, 3645304), (8, 2278315), (10, 1822652), (13, 1402040), (20, 911326), (26, 701020), (40, 455663), (52, 350510), (65, 280408), (104, 175255), (130, 140204), (260, 70102), (520, 35051)]