19810694

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{907}}^1$

素因数の和:1139

約数の個数: 16

約数和(自身を含む): 30378048

約数和(自身を除く): 10567354

約数列:

[1, 2, 67, 134, 163, 326, 907, 1814, 10921, 21842, 60769, 121538, 147841, 295682, 9905347, 19810694]

約数ペア:

[(1, 19810694), (2, 9905347), (67, 295682), (134, 147841), (163, 121538), (326, 60769), (907, 21842), (1814, 10921)]