19943654

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{5897}}^1$

素因数の和:6007

約数の個数: 16

約数和(自身を含む): 31849200

約数和(自身を除く): 11905546

約数列:

[1, 2, 19, 38, 89, 178, 1691, 3382, 5897, 11794, 112043, 224086, 524833, 1049666, 9971827, 19943654]

約数ペア:

[(1, 19943654), (2, 9971827), (19, 1049666), (38, 524833), (89, 224086), (178, 112043), (1691, 11794), (3382, 5897)]