219971810

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{201809}}^1$

素因数の和:201925

約数の個数: 16

約数和(自身を含む): 399583800

約数和(自身を除く): 179611990

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 201809, 403618, 1009045, 2018090, 21997181, 43994362, 109985905, 219971810]

約数ペア:

[(1, 219971810), (2, 109985905), (5, 43994362), (10, 21997181), (109, 2018090), (218, 1009045), (545, 403618), (1090, 201809)]