1819990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:264

約数の個数: 32

約数和(自身を含む): 3519936

約数和(自身を除く): 1699946

約数列:

[1, 2, 5, 10, 23, 41, 46, 82, 115, 193, 205, 230, 386, 410, 943, 965, 1886, 1930, 4439, 4715, 7913, 8878, 9430, 15826, 22195, 39565, 44390, 79130, 181999, 363998, 909995, 1819990]

約数ペア:

[(1, 1819990), (2, 909995), (5, 363998), (10, 181999), (23, 79130), (41, 44390), (46, 39565), (82, 22195), (115, 15826), (193, 9430), (205, 8878), (230, 7913), (386, 4715), (410, 4439), (943, 1930), (965, 1886)]