18861808

素因数分解:

$2^4\times 7^1\times {\mathrm{168409}}^1$

素因数の和:168424

約数の個数: 20

約数和(自身を含む): 41765680

約数和(自身を除く): 22903872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 168409, 336818, 673636, 1178863, 1347272, 2357726, 2694544, 4715452, 9430904, 18861808]

約数ペア:

[(1, 18861808), (2, 9430904), (4, 4715452), (7, 2694544), (8, 2357726), (14, 1347272), (16, 1178863), (28, 673636), (56, 336818), (112, 168409)]