18339291

素因数分解:

$3^4\times {\mathrm{373}}^1\times {\mathrm{607}}^1$

素因数の和:992

約数の個数: 20

約数和(自身を含む): 27514432

約数和(自身を除く): 9175141

約数列:

[1, 3, 9, 27, 81, 373, 607, 1119, 1821, 3357, 5463, 10071, 16389, 30213, 49167, 226411, 679233, 2037699, 6113097, 18339291]

約数ペア:

[(1, 18339291), (3, 6113097), (9, 2037699), (27, 679233), (81, 226411), (373, 49167), (607, 30213), (1119, 16389), (1821, 10071), (3357, 5463)]