2019801364

素因数分解:

$2^2\times 7^2\times {\mathrm{10305109}}^1$

素因数の和:10305127

約数の個数: 18

約数和(自身を含む): 4111738890

約数和(自身を除く): 2091937526

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 10305109, 20610218, 41220436, 72135763, 144271526, 288543052, 504950341, 1009900682, 2019801364]

約数ペア:

[(1, 2019801364), (2, 1009900682), (4, 504950341), (7, 288543052), (14, 144271526), (28, 72135763), (49, 41220436), (98, 20610218), (196, 10305109)]