1915880

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{227}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 4350240

約数和(自身を除く): 2434360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 227, 422, 454, 844, 908, 1055, 1135, 1688, 1816, 2110, 2270, 4220, 4540, 8440, 9080, 47897, 95794, 191588, 239485, 383176, 478970, 957940, 1915880]

約数ペア:

[(1, 1915880), (2, 957940), (4, 478970), (5, 383176), (8, 239485), (10, 191588), (20, 95794), (40, 47897), (211, 9080), (227, 8440), (422, 4540), (454, 4220), (844, 2270), (908, 2110), (1055, 1816), (1135, 1688)]