18436809

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{1091}}^1$

素因数の和:1268

約数の個数: 16

約数和(自身を含む): 25369344

約数和(自身を除く): 6932535

約数列:

[1, 3, 43, 129, 131, 393, 1091, 3273, 5633, 16899, 46913, 140739, 142921, 428763, 6145603, 18436809]

約数ペア:

[(1, 18436809), (3, 6145603), (43, 428763), (129, 142921), (131, 140739), (393, 46913), (1091, 16899), (3273, 5633)]