19822987

素因数分解:

${\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:354

約数の個数: 16

約数和(自身を含む): 21427200

約数和(自身を除く): 1604213

約数列:

[1, 23, 61, 71, 199, 1403, 1633, 4331, 4577, 12139, 14129, 99613, 279197, 324967, 861869, 19822987]

約数ペア:

[(1, 19822987), (23, 861869), (61, 324967), (71, 279197), (199, 99613), (1403, 14129), (1633, 12139), (4331, 4577)]