189804920

素因数分解:

$2^3\times 5^1\times {\mathrm{4745123}}^1$

素因数の和:4745134

約数の個数: 16

約数和(自身を含む): 427061160

約数和(自身を除く): 237256240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4745123, 9490246, 18980492, 23725615, 37960984, 47451230, 94902460, 189804920]

約数ペア:

[(1, 189804920), (2, 94902460), (4, 47451230), (5, 37960984), (8, 23725615), (10, 18980492), (20, 9490246), (40, 4745123)]