19668466

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{2351}}^1$

素因数の和:2489

約数の個数: 16

約数和(自身を含む): 30481920

約数和(自身を除く): 10813454

約数列:

[1, 2, 47, 89, 94, 178, 2351, 4183, 4702, 8366, 110497, 209239, 220994, 418478, 9834233, 19668466]

約数ペア:

[(1, 19668466), (2, 9834233), (47, 418478), (89, 220994), (94, 209239), (178, 110497), (2351, 8366), (4183, 4702)]