2019821072

素因数分解:

$2^4\times {\mathrm{617}}^1\times {\mathrm{204601}}^1$

素因数の和:205226

約数の個数: 20

約数和(自身を含む): 3919765116

約数和(自身を除く): 1899944044

約数列:

[1, 2, 4, 8, 16, 617, 1234, 2468, 4936, 9872, 204601, 409202, 818404, 1636808, 3273616, 126238817, 252477634, 504955268, 1009910536, 2019821072]

約数ペア:

[(1, 2019821072), (2, 1009910536), (4, 504955268), (8, 252477634), (16, 126238817), (617, 3273616), (1234, 1636808), (2468, 818404), (4936, 409202), (9872, 204601)]