18420682

素因数分解:

$2^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{6679}}^1$

素因数の和:6885

約数の個数: 16

約数和(自身を含む): 31743360

約数和(自身を除く): 13322678

約数列:

[1, 2, 7, 14, 197, 394, 1379, 2758, 6679, 13358, 46753, 93506, 1315763, 2631526, 9210341, 18420682]

約数ペア:

[(1, 18420682), (2, 9210341), (7, 2631526), (14, 1315763), (197, 93506), (394, 46753), (1379, 13358), (2758, 6679)]