18800385

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73727}}^1$

素因数の和:73752

約数の個数: 16

約数和(自身を含む): 31850496

約数和(自身を除く): 13050111

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 73727, 221181, 368635, 1105905, 1253359, 3760077, 6266795, 18800385]

約数ペア:

[(1, 18800385), (3, 6266795), (5, 3760077), (15, 1253359), (17, 1105905), (51, 368635), (85, 221181), (255, 73727)]