18740545

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{4691}}^1$

素因数の和:4760

約数の個数: 16

約数和(自身を含む): 24323328

約数和(自身を除く): 5582783

約数列:

[1, 5, 17, 47, 85, 235, 799, 3995, 4691, 23455, 79747, 220477, 398735, 1102385, 3748109, 18740545]

約数ペア:

[(1, 18740545), (5, 3748109), (17, 1102385), (47, 398735), (85, 220477), (235, 79747), (799, 23455), (3995, 4691)]