18678751380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103770841}}^1$

素因数の和:103770856

約数の個数: 36

約数和(自身を含む): 56658879732

約数和(自身を除く): 37980128352

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 103770841, 207541682, 311312523, 415083364, 518854205, 622625046, 933937569, 1037708410, 1245250092, 1556562615, 1867875138, 2075416820, 3113125230, 3735750276, 4669687845, 6226250460, 9339375690, 18678751380]

約数ペア:

[(1, 18678751380), (2, 9339375690), (3, 6226250460), (4, 4669687845), (5, 3735750276), (6, 3113125230), (9, 2075416820), (10, 1867875138), (12, 1556562615), (15, 1245250092), (18, 1037708410), (20, 933937569), (30, 622625046), (36, 518854205), (45, 415083364), (60, 311312523), (90, 207541682), (180, 103770841)]