19989858

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{27997}}^1$

素因数の和:28026

約数の個数: 32

約数和(自身を含む): 48380544

約数和(自身を除く): 28390686

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 238, 357, 714, 27997, 55994, 83991, 167982, 195979, 391958, 475949, 587937, 951898, 1175874, 1427847, 2855694, 3331643, 6663286, 9994929, 19989858]

約数ペア:

[(1, 19989858), (2, 9994929), (3, 6663286), (6, 3331643), (7, 2855694), (14, 1427847), (17, 1175874), (21, 951898), (34, 587937), (42, 475949), (51, 391958), (102, 195979), (119, 167982), (238, 83991), (357, 55994), (714, 27997)]