20191012

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{509}}^1$

素因数の和:771

約数の個数: 24

約数和(自身を含む): 36328320

約数和(自身を除く): 16137308

約数列:

[1, 2, 4, 47, 94, 188, 211, 422, 509, 844, 1018, 2036, 9917, 19834, 23923, 39668, 47846, 95692, 107399, 214798, 429596, 5047753, 10095506, 20191012]

約数ペア:

[(1, 20191012), (2, 10095506), (4, 5047753), (47, 429596), (94, 214798), (188, 107399), (211, 95692), (422, 47846), (509, 39668), (844, 23923), (1018, 19834), (2036, 9917)]