2019853878

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{65789}}^1$

素因数の和:65861

約数の個数: 64

約数和(自身を含む): 5002145280

約数和(自身を除く): 2982291402

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 43, 51, 86, 102, 119, 129, 238, 258, 301, 357, 602, 714, 731, 903, 1462, 1806, 2193, 4386, 5117, 10234, 15351, 30702, 65789, 131578, 197367, 394734, 460523, 921046, 1118413, 1381569, 2236826, 2763138, 2828927, 3355239, 5657854, 6710478, 7828891, 8486781, 15657782, 16973562, 19802489, 23486673, 39604978, 46973346, 48091759, 59407467, 96183518, 118814934, 144275277, 288550554, 336642313, 673284626, 1009926939, 2019853878]

約数ペア:

[(1, 2019853878), (2, 1009926939), (3, 673284626), (6, 336642313), (7, 288550554), (14, 144275277), (17, 118814934), (21, 96183518), (34, 59407467), (42, 48091759), (43, 46973346), (51, 39604978), (86, 23486673), (102, 19802489), (119, 16973562), (129, 15657782), (238, 8486781), (258, 7828891), (301, 6710478), (357, 5657854), (602, 3355239), (714, 2828927), (731, 2763138), (903, 2236826), (1462, 1381569), (1806, 1118413), (2193, 921046), (4386, 460523), (5117, 394734), (10234, 197367), (15351, 131578), (30702, 65789)]