2019919240

素因数分解:

$2^3\times 5^1\times {\mathrm{50497981}}^1$

素因数の和:50497992

約数の個数: 16

約数和(自身を含む): 4544818380

約数和(自身を除く): 2524899140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 50497981, 100995962, 201991924, 252489905, 403983848, 504979810, 1009959620, 2019919240]

約数ペア:

[(1, 2019919240), (2, 1009959620), (4, 504979810), (5, 403983848), (8, 252489905), (10, 201991924), (20, 100995962), (40, 50497981)]