18972589

素因数分解:

${\mathrm{31}}^1\times {\mathrm{43}}^2\times {\mathrm{331}}^1$

素因数の和:448

約数の個数: 12

約数和(自身を含む): 20111232

約数和(自身を除く): 1138643

約数列:

[1, 31, 43, 331, 1333, 1849, 10261, 14233, 57319, 441223, 612019, 18972589]

約数ペア:

[(1, 18972589), (31, 612019), (43, 441223), (331, 57319), (1333, 14233), (1849, 10261)]